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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 |
|---|---|
| 5924 | */ |
| 5925 | protected function pingback_error( $code, $message ) { |
| 5926 | /** |
| 5927 | * Filter the XML-RPC pingback error return. |
| 5928 | * |
| 5929 | * @since 3.5.1 |
| 5930 | * |
| 5931 | * @param IXR_Error $error An IXR_Error object containing the error code and message. |
| 5932 | */ |
| 5933 | return apply_filters( 'xmlrpc_pingback_error', new IXR_Error( $code, $message ) ); |
| 5934 | } |
| 5935 | } |
| 5936 | |