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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 |
|---|---|
| 74 | $post_default_title = ''; |
| 75 | |
| 76 | /** |
| 77 | * Filters the class used for handling XML-RPC requests. |
| 78 | * |
| 79 | * @since 3.1.0 |
| 80 | * |
| 81 | * @param string $class The name of the XML-RPC server class. |
| 82 | */ |
| 83 | $wp_xmlrpc_server_class = apply_filters( 'wp_xmlrpc_server_class', 'wp_xmlrpc_server' ); |
| 84 | $wp_xmlrpc_server = new $wp_xmlrpc_server_class(); |
| 85 | |
| 86 | // Fire off the request. |
| 87 | $wp_xmlrpc_server->serve_request(); |
| 88 | |
| 89 | exit; |
| 90 | |
| 91 | /** |
| 92 | * logIO() - Writes logging info to a file. |