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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 |
|---|---|
| 6405 | */ |
| 6406 | protected function pingback_error( $code, $message ) { |
| 6407 | /** |
| 6408 | * Filter the XML-RPC pingback error return. |
| 6409 | * |
| 6410 | * @since 3.5.1 |
| 6411 | * |
| 6412 | * @param IXR_Error $error An IXR_Error object containing the error code and message. |
| 6413 | */ |
| 6414 | return apply_filters( 'xmlrpc_pingback_error', new IXR_Error( $code, $message ) ); |
| 6415 | } |
| 6416 | } |
| 6417 | |