wp_register_background_support

The timeline below displays how wordpress function wp_register_background_support has changed across different WordPress versions. If a version is not listed, refer to the next available version below.

WordPress Version: 6.4

/**
 * Background block support flag.
 *
 * @package WordPress
 * @since 6.4.0
 */
/**
 * Registers the style block attribute for block types that support it.
 *
 * @since 6.4.0
 * @access private
 *
 * @param WP_Block_Type $block_type Block Type.
 */
function wp_register_background_support($block_type)
{
    // Setup attributes and styles within that if needed.
    if (!$block_type->attributes) {
        $block_type->attributes = array();
    }
    // Check for existing style attribute definition e.g. from block.json.
    if (array_key_exists('style', $block_type->attributes)) {
        return;
    }
    $has_background_support = block_has_support($block_type, array('background'), false);
    if ($has_background_support) {
        $block_type->attributes['style'] = array('type' => 'object');
    }
}