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EDITING: generated-classname.php

<?php
/**
 * Generated classname block support flag.
 *
 * @package WordPress
 * @since 5.6.0
 */

/**
 * Gets the generated classname from a given block name.
 *
 * @since 5.6.0
 *
 * @access private
 *
 * @param string $block_name Block Name.
 * @return string Generated classname.
 */
function wp_get_block_default_classname( $block_name ) {
	// Generated HTML classes for blocks follow the `wp-block-{name}` nomenclature.
	// Blocks provided by WordPress drop the prefixes 'core/' or 'core-' (historically used in 'core-embed/').
	$classname = 'wp-block-' . preg_replace(
		'/^core-/',
		'',
		str_replace( '/', '-', $block_name )
	);

/**
	 * Filters the default block className for server rendered blocks.
	 *
	 * @since 5.6.0
	 *
	 * @param string $class_name The current applied classname.
	 * @param string $block_name The block name.
	 */
	$classname = apply_filters( 'block_default_classname', $classname, $block_name );

return $classname;
}

/**
 * Adds the generated classnames to the output.
 *
 * @since 5.6.0
 *
 * @access private
 *
 * @param WP_Block_Type $block_type Block Type.
 * @return array Block CSS classes and inline styles.
 */
function wp_apply_generated_classname_support( $block_type ) {
	$attributes                      = array();
	$has_generated_classname_support = block_has_support( $block_type, 'className', true );
	if ( $has_generated_classname_support ) {
		$block_classname = wp_get_block_default_classname( $block_type->name );

if ( $block_classname ) {
			$attributes['class'] = $block_classname;
		}
	}

return $attributes;
}

// Register the block support.
WP_Block_Supports::get_instance()->register(
	'generated-classname',
	array(
		'apply' => 'wp_apply_generated_classname_support',
	)
);

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📄 align.php	PHP	1.7 KB	2025-01-05 14:39	EDIT
📄 aria-label.php	PHP	1.6 KB	2025-06-01 10:32	EDIT
📄 background.php	PHP	4 KB	2026-01-17 04:55	EDIT
📄 block-style-variations.php	PHP	9.2 KB	2025-06-01 10:32	EDIT
📄 block-visibility.php	PHP	854 B	2026-01-17 04:55	EDIT
📄 border.php	PHP	6.3 KB	2025-01-05 14:39	EDIT
📄 colors.php	PHP	5.8 KB	2025-01-05 14:39	EDIT
📄 custom-classname.php	PHP	1.6 KB	2025-01-05 14:39	EDIT
📄 dimensions.php	PHP	5.3 KB	2025-01-05 14:39	EDIT
📄 duotone.php	PHP	2.7 KB	2025-01-05 14:39	EDIT
📄 elements.php	PHP	8.5 KB	2025-01-05 14:39	EDIT
📄 generated-classname.php	PHP	1.7 KB	2025-01-05 14:39	EDIT
📄 layout.php	PHP	39 KB	2026-01-17 04:55	EDIT
📄 position.php	PHP	4.2 KB	2025-01-05 14:39	EDIT
📄 settings.php	PHP	4.5 KB	2025-01-05 14:39	EDIT
📄 shadow.php	PHP	2 KB	2025-01-05 14:39	EDIT
📄 spacing.php	PHP	2.8 KB	2025-01-05 14:39	EDIT
📄 typography.php	PHP	29.1 KB	2026-01-17 04:55	EDIT
📄 utils.php	PHP	1011 B	2025-01-05 14:39	EDIT