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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 |
|---|---|
| 914 | $per_page = (int) get_user_option( $option ); |
| 915 | if ( empty( $per_page ) || $per_page < 1 ) { |
| 916 | $per_page = $this->get_option( 'per_page', 'default' ); |
| 917 | if ( ! $per_page ) |
| 918 | $per_page = 20; |
| 919 | } |
| 920 | |
| 921 | if ( 'edit_comments_per_page' == $option ) { |
| 922 | $comment_status = isset( $_REQUEST['comment_status'] ) ? $_REQUEST['comment_status'] : 'all'; |
| 923 | $per_page = apply_filters( 'comments_per_page', $per_page, $comment_status ); |
| 924 | } elseif ( 'categories_per_page' == $option ) { |
| 925 | $per_page = apply_filters( 'edit_categories_per_page', $per_page ); |
| 926 | } else { |
| 927 | $per_page = apply_filters( $option, $per_page ); |
| 928 | } |
| 929 | |
| 930 | // Back compat |
| 931 | if ( isset( $this->post_type ) ) |
| 932 | $per_page = apply_filters( 'edit_posts_per_page', $per_page, $this->post_type ); |