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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 |
|---|---|
| 1209 | ); |
| 1210 | if ( isset($comment_statuses[$new_status]) ) $new_status = $comment_statuses[$new_status]; |
| 1211 | if ( isset($comment_statuses[$old_status]) ) $old_status = $comment_statuses[$old_status]; |
| 1212 | |
| 1213 | // Call the hooks |
| 1214 | if ( $new_status != $old_status ) { |
| 1215 | do_action('transition_comment_status', $new_status, $old_status, $comment); |
| 1216 | do_action("comment_{$old_status}_to_{$new_status}", $comment); |
| 1217 | } |
| 1218 | do_action("comment_{$new_status}_{$comment->comment_type}", $comment->comment_ID, $comment); |
| 1219 | } |
| 1220 | |
| 1221 | /** |
| 1222 | * Get current commenter's name, email, and URL. |
| 1223 | * |
| 1224 | * Expects cookies content to already be sanitized. User of this function might |
| 1225 | * wish to recheck the returned array for validity. |
| 1226 | * |
| 1227 | * @see sanitize_comment_cookies() Use to sanitize cookies |