category_css_class

Filter Hook

Description

Filters the list of CSS classes to include with each category in the list.

Hook Information

File Location	`wp-includes/class-walker-category.php` View on GitHub
Hook Type	Filter
Line Number	`245`

Hook Parameters

Type	Name	Description
`string[]`	`$css_classes`	An array of CSS classes to be applied to each list item.
`WP_Term`	`$category`	Category data object.
`int`	`$depth`	Depth of page, used for padding.
`array`	`$args`	An array of wp_list_categories() arguments.

Usage Examples

Basic Usage

<?php
// Hook into category_css_class
add_filter('category_css_class', 'my_custom_filter', 10, 4);

function my_custom_filter($css_classes, $category, $depth, $args) {
    // Your custom filtering logic here
    return $css_classes;
}

Source Code Context

wp-includes/class-walker-category.php:245 - How this hook is used in WordPress core

<?php
 240  			 * @param string[] $css_classes An array of CSS classes to be applied to each list item.
 241  			 * @param WP_Term  $category    Category data object.
 242  			 * @param int      $depth       Depth of page, used for padding.
 243  			 * @param array    $args        An array of wp_list_categories() arguments.
 244  			 */
 245  			$css_classes = implode( ' ', apply_filters( 'category_css_class', $css_classes, $category, $depth, $args ) );
 246  			$css_classes = $css_classes ? ' class="' . esc_attr( $css_classes ) . '"' : '';
 247  
 248  			$output .= $css_classes;
 249  			$output .= ">$link\n";
 250  		} elseif ( isset( $args['separator'] ) ) {

PHP Documentation

<?php
/**
			 * Filters the list of CSS classes to include with each category in the list.
			 *
			 * @since 4.2.0
			 *
			 * @see wp_list_categories()
			 *
			 * @param string[] $css_classes An array of CSS classes to be applied to each list item.
			 * @param WP_Term  $category    Category data object.
			 * @param int      $depth       Depth of page, used for padding.
			 * @param array    $args        An array of wp_list_categories() arguments.
			 */

Quick Info

Hook Type: Filter
Parameters: 4
File: wp-includes/class-walker-category.php

Links

WordPress Docs View Source Code Search Examples

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