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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 |
|---|---|
| 5511 | foreach ( $comments as $comment ) { |
| 5512 | if ( 'pingback' == $comment->comment_type ) |
| 5513 | $pingbacks[] = $comment->comment_author_url; |
| 5514 | } |
| 5515 | |
| 5516 | return $pingbacks; |
| 5517 | } |
| 5518 | |
| 5519 | protected function pingback_error( $code, $message ) { |
| 5520 | return apply_filters( 'xmlrpc_pingback_error', new IXR_Error( $code, $message ) ); |
| 5521 | } |
| 5522 | } |
| 5523 | |