wpseek.com
A WordPress-centric search engine for devs and theme authors

wp_register_custom_classname_support is private and should not be used in themes or plugins directly.

wp_register_custom_classname_support › WordPress Function

Since5.6.0

Deprecatedn/a

› wp_register_custom_classname_support ( $block_type )

Access:	private
Parameters:	(WP_Block_Type) $block_type Block Type. Required: Yes
Defined at:	wp-includes/block-supports/custom-classname.php , line 17
Codex:	developer.wordpress.org / wp_register_custom_classname_support

Registers the custom classname block attribute for block types that support it.

Source

function wp_register_custom_classname_support( $block_type ) {
	$has_custom_classname_support = block_has_support( $block_type, 'customClassName', true );

	if ( $has_custom_classname_support ) {
		if ( ! $block_type->attributes ) {
			$block_type->attributes = array();
		}

		if ( ! array_key_exists( 'className', $block_type->attributes ) ) {
			$block_type->attributes['className'] = array(
				'type' => 'string',
			);
		}
	}
}