esc_attr

WordPress Version: 3.8

/**
 * Escaping for HTML attributes.
 *
 * @since 2.8.0
 *
 * @param string $text
 * @return string
 */
function esc_attr($text)
{
    $safe_text = wp_check_invalid_utf8($text);
    $safe_text = _wp_specialchars($safe_text, ENT_QUOTES);
    /**
     * Filter a string cleaned and escaped for output in an HTML attribute.
     *
     * Text passed to esc_attr() is stripped of invalid or special characters
     * before output.
     *
     * @since 2.0.6
     *
     * @param string $safe_text The text after it has been escaped.
     * @param string $text      The text prior to being escaped.
     */
    return apply_filters('attribute_escape', $safe_text, $text);
}