wp_register_aria_label_support() │ WP 6.8.0

Registers the aria-label block attribute for block types that support it.

Internal function — this function is designed to be used by the kernel itself. It is not recommended to use this function in your code.

No Hooks.

Returns

null. Nothing (null).

Usage

wp_register_aria_label_support( $block_type );
$block_type(WP_Block_Type) (required)
Block Type.

Changelog

Since 6.8.0 Introduced.

wp_register_aria_label_support() code WP 6.9.1

wp-includes/block-supports/aria-label.php 
function wp_register_aria_label_support( $block_type ) {
	$has_aria_label_support = block_has_support( $block_type, array( 'ariaLabel' ), false );

	if ( ! $has_aria_label_support ) {
		return;
	}

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

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