Callback for validating the external_header_video value.
Description
Ensures that the provided URL is supported.
Parameters
$validityWP_Errorrequired$valuemixedrequired
Source
public function _validate_external_header_video( $validity, $value ) {
$video = sanitize_url( $value );
if ( $video ) {
if ( ! preg_match( '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#', $video ) ) {
$validity->add( 'invalid_url', __( 'Please enter a valid YouTube URL.' ) );
}
}
return $validity;
}
Changelog
| Version | Description |
|---|---|
| 4.7.0 | Introduced. |
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