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WordPress

apply_filters( 'post_class', string[] $classes, string[] $css_class, int $post_id )

Since
2.7.0
Filters the list of CSS class names for the current post.

Compatibility

WordPress
since 2.7.0
  • 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

$classesstring[]
An array of post class names.
$css_classstring[]
An array of additional class names added to the post.
$post_idint
The post ID.

Where this hook fires · 1

  • wp-includes/post-template.php:607get_post_class()

Source code

View on Trac View on GitHub 

	 * @since 2.7.0	 *	 * @param string[] $classes   An array of post class names.	 * @param string[] $css_class An array of additional class names added to the post.	 * @param int      $post_id   The post ID.	 */	$classes = apply_filters( 'post_class', $classes, $css_class, $post->ID ); 	return array_unique( $classes );} /** * Displays the class names for the body element.

Changelog

Introduced in 2.7.0. 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

Parsed data
Generated from the wordpress-develop 6.7.7 tag, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
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