WP_HTML_Tag_Processor::has_class() │ public │ WP 6.4.0

Returns if a matched tag contains the given ASCII case-insensitive class name.

Method of the class: WP_HTML_Tag_Processor{}

No Hooks.

Returns

true|false|null. Whether the matched tag contains the given class name, or null if not matched.

Usage

$WP_HTML_Tag_Processor = new WP_HTML_Tag_Processor();
$WP_HTML_Tag_Processor->has_class( $wanted_class ): ?bool;

$wanted_class(string) (required)

Look for this CSS class name, ASCII case-insensitive.

Changelog

WP_HTML_Tag_Processor::has_class() WP HTML Tag Processor::has class code ^{WP 6.8.1}

public function has_class( $wanted_class ): ?bool {
	if ( self::STATE_MATCHED_TAG !== $this->parser_state ) {
		return null;
	}

	$case_insensitive = self::QUIRKS_MODE === $this->compat_mode;

	$wanted_length = strlen( $wanted_class );
	foreach ( $this->class_list() as $class_name ) {
		if (
			strlen( $class_name ) === $wanted_length &&
			0 === substr_compare( $class_name, $wanted_class, 0, strlen( $wanted_class ), $case_insensitive )
		) {
			return true;
		}
	}

	return false;
}