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			wp_register_shadow_support is private and should not be used in themes or plugins directly.
wp_register_shadow_support › WordPress Function
Since6.3.0
Deprecatedn/a
› wp_register_shadow_support ( $block_type )
| Access: | 
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| Parameters: | 
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| Defined at: | 
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| Codex: | 
Registers the style and shadow block attributes for block types that support it.
Source
function wp_register_shadow_support( $block_type ) {
	$has_shadow_support = block_has_support( $block_type, 'shadow', false );
	if ( ! $has_shadow_support ) {
		return;
	}
	if ( ! $block_type->attributes ) {
		$block_type->attributes = array();
	}
	if ( array_key_exists( 'style', $block_type->attributes ) ) {
		$block_type->attributes['style'] = array(
			'type' => 'object',
		);
	}
	if ( array_key_exists( 'shadow', $block_type->attributes ) ) {
		$block_type->attributes['shadow'] = array(
			'type' => 'string',
		);
	}
}