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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 |
|---|---|
| 7112 | */ |
| 7113 | protected function pingback_error( $code, $message ) { |
| 7114 | /** |
| 7115 | * Filters the XML-RPC pingback error return. |
| 7116 | * |
| 7117 | * @since 3.5.1 |
| 7118 | * |
| 7119 | * @param IXR_Error $error An IXR_Error object containing the error code and message. |
| 7120 | */ |
| 7121 | return apply_filters( 'xmlrpc_pingback_error', new IXR_Error( $code, $message ) ); |
| 7122 | } |
| 7123 | } |
| 7124 | |