rest_validate_request_arg

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

WordPress Version: 5.5

/**
 * Validate a request argument based on details registered to the route.
 *
 * @since 4.7.0
 *
 * @param mixed           $value
 * @param WP_REST_Request $request
 * @param string          $param
 * @return true|WP_Error
 */
function rest_validate_request_arg($value, $request, $param)
{
    $attributes = $request->get_attributes();
    if (!isset($attributes['args'][$param]) || !is_array($attributes['args'][$param])) {
        return true;
    }
    $args = $attributes['args'][$param];
    return rest_validate_value_from_schema($value, $args, $param);
}

WordPress Version: 5.4

/**
 * Validate a request argument based on details registered to the route.
 *
 * @since 4.7.0
 *
 * @param  mixed            $value
 * @param  WP_REST_Request  $request
 * @param  string           $param
 * @return true|WP_Error
 */
function rest_validate_request_arg($value, $request, $param)
{
    $attributes = $request->get_attributes();
    if (!isset($attributes['args'][$param]) || !is_array($attributes['args'][$param])) {
        return true;
    }
    $args = $attributes['args'][$param];
    return rest_validate_value_from_schema($value, $args, $param);
}

WordPress Version: 4.7

/**
 * Validate a request argument based on details registered to the route.
 *
 * @since 4.7.0
 *
 * @param  mixed            $value
 * @param  WP_REST_Request  $request
 * @param  string           $param
 * @return WP_Error|boolean
 */
function rest_validate_request_arg($value, $request, $param)
{
    $attributes = $request->get_attributes();
    if (!isset($attributes['args'][$param]) || !is_array($attributes['args'][$param])) {
        return true;
    }
    $args = $attributes['args'][$param];
    return rest_validate_value_from_schema($value, $args, $param);
}