66 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * Custom classname block support flag.
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|  *
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|  * @package WordPress
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|  * @since 5.6.0
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|  */
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| 
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| /**
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|  * Registers the custom classname block attribute for block types that support it.
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|  *
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|  * @since 5.6.0
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|  * @access private
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|  *
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|  * @param WP_Block_Type $block_type Block Type.
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|  */
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| function wp_register_custom_classname_support( $block_type ) {
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| 	$has_custom_classname_support = block_has_support( $block_type, 'customClassName', true );
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| 
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| 	if ( $has_custom_classname_support ) {
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| 		if ( ! $block_type->attributes ) {
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| 			$block_type->attributes = array();
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| 		}
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| 
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| 		if ( ! array_key_exists( 'className', $block_type->attributes ) ) {
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| 			$block_type->attributes['className'] = array(
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| 				'type' => 'string',
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| 			);
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| 		}
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| 	}
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| }
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| 
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| /**
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|  * Adds the custom classnames to the output.
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|  *
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|  * @since 5.6.0
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|  * @access private
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|  *
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|  * @param  WP_Block_Type $block_type       Block Type.
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|  * @param  array         $block_attributes Block attributes.
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|  *
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|  * @return array Block CSS classes and inline styles.
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|  */
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| function wp_apply_custom_classname_support( $block_type, $block_attributes ) {
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| 	$has_custom_classname_support = block_has_support( $block_type, 'customClassName', true );
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| 	$attributes                   = array();
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| 	if ( $has_custom_classname_support ) {
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| 		$has_custom_classnames = array_key_exists( 'className', $block_attributes );
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| 
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| 		if ( $has_custom_classnames ) {
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| 			$attributes['class'] = $block_attributes['className'];
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| 		}
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| 	}
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| 
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| 	return $attributes;
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| }
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| 
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| // Register the block support.
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| WP_Block_Supports::get_instance()->register(
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| 	'custom-classname',
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| 	array(
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| 		'register_attribute' => 'wp_register_custom_classname_support',
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| 		'apply'              => 'wp_apply_custom_classname_support',
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| 	)
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| );
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