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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 116 | if ( $args['use_desc_for_title'] && ! empty( $category->description ) ) { |
| 117 | /** |
| 118 | * Filters the category description for display. |
| 119 | * |
| 120 | * @since 1.2.0 |
| 121 | * |
| 122 | * @param string $description Category description. |
| 123 | * @param WP_Term $category Category object. |
| 124 | */ |
| 125 | $atts['title'] = strip_tags( apply_filters( 'category_description', $category->description, $category ) ); |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Filters the HTML attributes applied to a category list item's anchor element. |
| 130 | * |
| 131 | * @since 5.2.0 |
| 132 | * |
| 133 | * @param array $atts { |
| 134 | * The HTML attributes applied to the list item's `<a>` element, empty strings are ignored. |