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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 |
|---|---|
| 1159 | $per_page = apply_filters( 'edit_categories_per_page', $per_page ); |
| 1160 | } else { |
| 1161 | /** This filter is documented in wp-admin/includes/class-wp-list-table.php */ |
| 1162 | $per_page = apply_filters( $option, $per_page ); |
| 1163 | } |
| 1164 | |
| 1165 | // Back compat |
| 1166 | if ( isset( $this->post_type ) ) { |
| 1167 | /** This filter is documented in wp-admin/includes/class-wp-posts-list-table.php */ |
| 1168 | $per_page = apply_filters( 'edit_posts_per_page', $per_page, $this->post_type ); |
| 1169 | } |
| 1170 | |
| 1171 | ?> |
| 1172 | <div class="screen-options"> |
| 1173 | <?php if ( $per_page_label ) : ?> |
| 1174 | <label for="<?php echo esc_attr( $option ); ?>"><?php echo $per_page_label; ?></label> |
| 1175 | <input type="number" step="1" min="1" max="999" class="screen-per-page" name="wp_screen_options[value]" |
| 1176 | id="<?php echo esc_attr( $option ); ?>" maxlength="3" |
| 1177 | value="<?php echo esc_attr( $per_page ); ?>" /> |