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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 |
|---|---|
| 143 | $comments_per_page = $this->get_items_per_page( 'edit_comments_per_page' ); |
| 144 | /** |
| 145 | * Filter the number of comments listed per page in the comments list table. |
| 146 | * |
| 147 | * @since 2.6.0 |
| 148 | * |
| 149 | * @param int $comments_per_page The number of comments to list per page. |
| 150 | * @param string $comment_status The comment status name. Default 'All'. |
| 151 | */ |
| 152 | $comments_per_page = apply_filters( 'comments_per_page', $comments_per_page, $comment_status ); |
| 153 | return $comments_per_page; |
| 154 | } |
| 155 | |
| 156 | public function no_items() { |
| 157 | global $comment_status; |
| 158 | |
| 159 | if ( 'moderated' == $comment_status ) |
| 160 | _e( 'No comments awaiting moderation.' ); |
| 161 | else |