WP_Customize_Custom_CSS_Setting::validate( string $value ): true|WP_Error
Validate a received value for being valid CSS.
Description
Checks for imbalanced braces, brackets, and comments.
Notifications are rendered when the customizer state is saved.
Parameters
-
$valuestring Required -
CSS to validate.
Return
true|WP_Error True if the input was validated, otherwise WP_Error.
Source
File: wp-includes/customize/class-wp-customize-custom-css-setting.php.
View all references
public function validate( $value ) {
// Restores the more descriptive, specific name for use within this method.
$css = $value;
$validity = new WP_Error();
if ( preg_match( '#</?\w+#', $css ) ) {
$validity->add( 'illegal_markup', __( 'Markup is not allowed in CSS.' ) );
}
if ( ! $validity->has_errors() ) {
$validity = parent::validate( $css );
}
return $validity;
}
Changelog
| Version | Description |
|---|---|
| 5.9.0 | Renamed $css to $value for PHP 8 named parameter support. |
| 4.9.0 | Checking for balanced characters has been moved client-side via linting in code editor. |
| 4.7.0 | Introduced. |