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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 |
|---|---|
| 233 | <label class="screen-reader-text" for="comment-search-input"><?php _e( 'Search Comments' ); ?>:</label> |
| 234 | <input type="text" id="comment-search-input" name="s" value="<?php _admin_search_query(); ?>" /> |
| 235 | <input type="submit" value="<?php esc_attr_e( 'Search Comments' ); ?>" class="button" /> |
| 236 | </p> |
| 237 | |
| 238 | <?php |
| 239 | $comments_per_page = (int) get_user_option( 'edit_comments_per_page', 0, false ); |
| 240 | if ( empty( $comments_per_page ) || $comments_per_page < 1 ) |
| 241 | $comments_per_page = 20; |
| 242 | $comments_per_page = apply_filters( 'comments_per_page', $comments_per_page, $comment_status ); |
| 243 | |
| 244 | if ( isset( $_GET['apage'] ) ) |
| 245 | $page = abs( (int) $_GET['apage'] ); |
| 246 | else |
| 247 | $page = 1; |
| 248 | |
| 249 | $start = $offset = ( $page - 1 ) * $comments_per_page; |
| 250 | |
| 251 | list($_comments, $total) = _wp_get_comment_list( $comment_status, $search_dirty, $start, $comments_per_page + 8, $post_id, $comment_type ); // Grab a few extra |