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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 |
|---|---|
| 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, $this->post_type ); |
| 933 | |
| 934 | ?> |
| 935 | <h5><?php _ex('Show on screen', 'Screen Options') ?></h5> |
| 936 | <div class='screen-options'> |
| 937 | <?php if ( !empty($per_page_label) ): ?> |
| 938 | <input type='text' class='screen-per-page' name='wp_screen_options[value]' |
| 939 | id='<?php echo esc_attr( $option ); ?>' maxlength='3' |
| 940 | value='<?php echo esc_attr( $per_page ); ?>' /> |
| 941 | <label for='<?php echo esc_attr( $option ); ?>'> |