post_class

Filter Hook

Description

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

Hook Information

File Location	`wp-includes/post-template.php` View on GitHub
Hook Type	Filter
Line Number	`607`

Hook Parameters

Type	Name	Description
`string[]`	`$classes`	An array of post class names.
`string[]`	`$css_class`	An array of additional class names added to the post.
`int`	`$post_id`	The post ID.

Usage Examples

Basic Usage

<?php
// Hook into post_class
add_filter('post_class', 'my_custom_filter', 10, 3);

function my_custom_filter($classes, $css_class, $post_id) {
    // Your custom filtering logic here
    return $classes;
}

Source Code Context

wp-includes/post-template.php:607 - How this hook is used in WordPress core

<?php
 602  	 *
 603  	 * @param string[] $classes   An array of post class names.
 604  	 * @param string[] $css_class An array of additional class names added to the post.
 605  	 * @param int      $post_id   The post ID.
 606  	 */
 607  	$classes = apply_filters( 'post_class', $classes, $css_class, $post->ID );
 608  
 609  	return array_unique( $classes );
 610  }
 611  
 612  /**

PHP Documentation

<?php
/**
	 * Filters the list of CSS class names for the current post.
	 *
	 * @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.
	 */

Quick Info

Hook Type: Filter
Parameters: 3
File: wp-includes/post-template.php

Links

WordPress Docs View Source Code Search Examples

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