wp_kses_bad_protocol_once

The timeline below displays how wordpress function wp_kses_bad_protocol_once has changed across different WordPress versions. If a version is not listed, refer to the next available version below.

WordPress Version: 6.2

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $content           Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @param int      $count             Depth of call recursion to this function.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($content, $allowed_protocols, $count = 1)
{
    $content = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $content);
    $content2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $content, 2);
    if (isset($content2[1]) && !preg_match('%/\?%', $content2[0])) {
        $content = trim($content2[1]);
        $protocol = wp_kses_bad_protocol_once2($content2[0], $allowed_protocols);
        if ('feed:' === $protocol) {
            if ($count > 2) {
                return '';
            }
            $content = wp_kses_bad_protocol_once($content, $allowed_protocols, ++$count);
            if (empty($content)) {
                return $content;
            }
        }
        $content = $protocol . $content;
    }
    return $content;
}

WordPress Version: 5.5

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @param int      $count             Depth of call recursion to this function.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' === $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 3.1

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 5.3

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 2.5

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 2.3

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .20

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 2.2

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .10

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 5.2

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 1.4

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 1.2

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .10

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 5.1

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of the string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string   $string            Content to check for bad protocols.
 * @param string[] $allowed_protocols Array of allowed URL protocols.
 * @return string Sanitized content.
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 0.8

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 0.6

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 0.3

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .20

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 0.2

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .10

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 9.3

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .20

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 9.2

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .13

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .11

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 8.2

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .10

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 6.3

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .20

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 6.2

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .17

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .15

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 5.4

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .30

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 5.3

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .20

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 5.2

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .18

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 4.4

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .30

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 4.3

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .21

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .20

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 4.2

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .19

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 3.4

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .30

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 3.3

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .22

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .20

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 4.3

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string            Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 2.4

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .30

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 2.3

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .26

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .24

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 1.5

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .40

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 1.4

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .30

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 1.3

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .29

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .27

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 0.4

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .30

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 0.3

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .29

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .27

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 8.4

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .32

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .30

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 7.5

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .40

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 7.4

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .32

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;|&colon;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: .30

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string = preg_replace('/(&#0*58(?![;0-9])|&#x0*3a(?![;a-f0-9]))/i', '$1;', $string);
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}

WordPress Version: 3.7

/**
 * Sanitizes content from bad protocols and other characters.
 *
 * This function searches for URL protocols at the beginning of $string, while
 * handling whitespace and HTML entities.
 *
 * @since 1.0.0
 *
 * @param string $string Content to check for bad protocols
 * @param string $allowed_protocols Allowed protocols
 * @return string Sanitized content
 */
function wp_kses_bad_protocol_once($string, $allowed_protocols, $count = 1)
{
    $string2 = preg_split('/:|&#0*58;|&#x0*3a;/i', $string, 2);
    if (isset($string2[1]) && !preg_match('%/\?%', $string2[0])) {
        $string = trim($string2[1]);
        $protocol = wp_kses_bad_protocol_once2($string2[0], $allowed_protocols);
        if ('feed:' == $protocol) {
            if ($count > 2) {
                return '';
            }
            $string = wp_kses_bad_protocol_once($string, $allowed_protocols, ++$count);
            if (empty($string)) {
                return $string;
            }
        }
        $string = $protocol . $string;
    }
    return $string;
}