WP_Interactivity_API::data_wp_class_processor( WP_Interactivity_API_Directives_Processor $p, string $mode, array $context_stack, array $namespace_stack )

In this article

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Processes the data-wp-class directive.

Description

It adds or removes CSS classes in the current HTML element based on the evaluation of its associated references.

Parameters

$pWP_Interactivity_API_Directives_Processorrequired
The directives processor instance.
$modestringrequired
Whether the processing is entering or exiting the tag.
$context_stackarrayrequired
The reference to the context stack.
$namespace_stackarrayrequired
The reference to the store namespace stack.

Source

 * the value contains strings that represent booleans ("true" and "false"),
 * numbers ("1" and "1.2") or "null", the function also transform them to
 * regular booleans, numbers and `null`.
 *
 * Example:
 *
 *     extract_directive_value( 'actions.foo', 'myPlugin' )                      => array( 'myPlugin', 'actions.foo' )
 *     extract_directive_value( 'otherPlugin::actions.foo', 'myPlugin' )         => array( 'otherPlugin', 'actions.foo' )
 *     extract_directive_value( '{ "isOpen": false }', 'myPlugin' )              => array( 'myPlugin', array( 'isOpen' => false ) )
 *     extract_directive_value( 'otherPlugin::{ "isOpen": false }', 'myPlugin' ) => array( 'otherPlugin', array( 'isOpen' => false ) )
 *
 * @since 6.5.0
 *
 * @param string|true $directive_value   The directive attribute value. It can be `true` when it's a boolean
 *                                       attribute.
 * @param string|null $default_namespace Optional. The default namespace if none is explicitly defined.
 * @return array An array containing the namespace in the first item and the JSON, the reference path, or null on the
 *               second item.
 */
private function extract_directive_value( $directive_value, $default_namespace = null ): array {
	if ( empty( $directive_value ) || is_bool( $directive_value ) ) {

Changelog

VersionDescription
6.5.0Introduced.

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