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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 |
|---|---|
| 999 | $per_page = apply_filters( 'comments_per_page', $per_page, $comment_status ); |
| 1000 | } elseif ( 'categories_per_page' == $option ) { |
| 1001 | $per_page = apply_filters( 'edit_categories_per_page', $per_page ); |
| 1002 | } else { |
| 1003 | $per_page = apply_filters( $option, $per_page ); |
| 1004 | } |
| 1005 | |
| 1006 | // Back compat |
| 1007 | if ( isset( $this->post_type ) ) |
| 1008 | $per_page = apply_filters( 'edit_posts_per_page', $per_page, $this->post_type ); |
| 1009 | |
| 1010 | ?> |
| 1011 | <div class="screen-options"> |
| 1012 | <?php if ( $per_page_label ) : ?> |
| 1013 | <input type="number" step="1" min="1" max="999" class="screen-per-page" name="wp_screen_options[value]" |
| 1014 | id="<?php echo esc_attr( $option ); ?>" maxlength="3" |
| 1015 | value="<?php echo esc_attr( $per_page ); ?>" /> |
| 1016 | <label for="<?php echo esc_attr( $option ); ?>"> |
| 1017 | <?php echo esc_html( $per_page_label ); ?> |