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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 |
|---|---|
| 7069 | */ |
| 7070 | protected function pingback_error( $code, $message ) { |
| 7071 | /** |
| 7072 | * Filters the XML-RPC pingback error return. |
| 7073 | * |
| 7074 | * @since 3.5.1 |
| 7075 | * |
| 7076 | * @param IXR_Error $error An IXR_Error object containing the error code and message. |
| 7077 | */ |
| 7078 | return apply_filters( 'xmlrpc_pingback_error', new IXR_Error( $code, $message ) ); |
| 7079 | } |
| 7080 | } |
| 7081 | |