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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 |
|---|---|
| 284 | // TODO: Use API instead of SELECTs. |
| 285 | if ( empty($comment_author) ) { |
| 286 | $comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post->ID' AND comment_approved = '1' ORDER BY comment_date"); |
| 287 | } else { |
| 288 | $author_db = $wpdb->escape($comment_author); |
| 289 | $email_db = $wpdb->escape($comment_author_email); |
| 290 | $comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$post->ID' AND ( comment_approved = '1' OR ( comment_author = '$author_db' AND comment_author_email = '$email_db' AND comment_approved = '0' ) ) ORDER BY comment_date"); |
| 291 | } |
| 292 | |
| 293 | $comments = apply_filters( 'comments_array', $comments, $post->ID ); |
| 294 | |
| 295 | define('COMMENTS_TEMPLATE', true); |
| 296 | $include = apply_filters('comments_template', TEMPLATEPATH . $file ); |
| 297 | if ( file_exists( $include ) ) |
| 298 | require( $include ); |
| 299 | else |
| 300 | require( ABSPATH . 'wp-content/themes/default/comments.php'); |
| 301 | } |
| 302 | |