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WordPress

apply_filters( 'block_default_classname', string $class_name, string $block_name )

Since
5.6.0
Filters the default block className for server rendered blocks.

Compatibility

WordPress
since 5.6.0
  • 6.7.7
  • 6.8.8
  • 6.9.7
  • 7.0.4
  • 7.1.0

Present in every tracked release (6.7.7 to 7.1.0).

Parameters

$class_namestring
The current applied classname.
$block_namestring
The block name.

Where this hook fires · 1

  • wp-includes/block-supports/generated-classname.php:36wp_get_block_default_classname()

Source code

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	 *	 * @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.

Changelog

Introduced in 5.6.0. Unchanged from 6.7.7 through 7.1.0.

  1. 6.7.7
  2. 6.8.8
  3. 6.9.7
  4. 7.0.4
  5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

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Generated from the wordpress-develop 7.1.0 tag, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
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