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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 |
|---|---|
| 107 | if ( $args['use_desc_for_title'] && ! empty( $category->description ) ) { |
| 108 | /** |
| 109 | * Filters the category description for display. |
| 110 | * |
| 111 | * @since 1.2.0 |
| 112 | * |
| 113 | * @param string $description Category description. |
| 114 | * @param object $category Category object. |
| 115 | */ |
| 116 | $link .= 'title="' . esc_attr( strip_tags( apply_filters( 'category_description', $category->description, $category ) ) ) . '"'; |
| 117 | } |
| 118 | |
| 119 | $link .= '>'; |
| 120 | $link .= $cat_name . '</a>'; |
| 121 | |
| 122 | if ( ! empty( $args['feed_image'] ) || ! empty( $args['feed'] ) ) { |
| 123 | $link .= ' '; |
| 124 | |
| 125 | if ( empty( $args['feed_image'] ) ) { |