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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 |
|---|---|
| 1028 | $per_page = (int) get_user_option( $option ); |
| 1029 | if ( empty( $per_page ) || $per_page < 1 ) { |
| 1030 | $per_page = $this->get_option( 'per_page', 'default' ); |
| 1031 | if ( ! $per_page ) |
| 1032 | $per_page = 20; |
| 1033 | } |
| 1034 | |
| 1035 | if ( 'edit_comments_per_page' == $option ) { |
| 1036 | $comment_status = isset( $_REQUEST['comment_status'] ) ? $_REQUEST['comment_status'] : 'all'; |
| 1037 | $per_page = apply_filters( 'comments_per_page', $per_page, $comment_status ); |
| 1038 | } elseif ( 'categories_per_page' == $option ) { |
| 1039 | $per_page = apply_filters( 'edit_categories_per_page', $per_page ); |
| 1040 | } else { |
| 1041 | $per_page = apply_filters( $option, $per_page ); |
| 1042 | } |
| 1043 | |
| 1044 | // Back compat |
| 1045 | if ( isset( $this->post_type ) ) |
| 1046 | $per_page = apply_filters( 'edit_posts_per_page', $per_page, $this->post_type ); |