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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 1244 | if ( ! $per_page ) { |
| 1245 | $per_page = 20; |
| 1246 | } |
| 1247 | } |
| 1248 | |
| 1249 | if ( 'edit_comments_per_page' === $option ) { |
| 1250 | $comment_status = isset( $_REQUEST['comment_status'] ) ? $_REQUEST['comment_status'] : 'all'; |
| 1251 | |
| 1252 | /** This filter is documented in wp-admin/includes/class-wp-comments-list-table.php */ |
| 1253 | $per_page = apply_filters( 'comments_per_page', $per_page, $comment_status ); |
| 1254 | } elseif ( 'categories_per_page' === $option ) { |
| 1255 | /** This filter is documented in wp-admin/includes/class-wp-terms-list-table.php */ |
| 1256 | $per_page = apply_filters( 'edit_categories_per_page', $per_page ); |
| 1257 | } else { |
| 1258 | /** This filter is documented in wp-admin/includes/class-wp-list-table.php */ |
| 1259 | $per_page = apply_filters( "{$option}", $per_page ); |
| 1260 | } |
| 1261 | |
| 1262 | // Back compat. |