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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 |
|---|---|
| 1238 | |
| 1239 | $this->escape($args); |
| 1240 | |
| 1241 | $blog_id = (int) $args[0]; |
| 1242 | $username = $args[1]; |
| 1243 | $password = $args[2]; |
| 1244 | $post = $args[3]; |
| 1245 | $content_struct = $args[4]; |
| 1246 | |
| 1247 | $allow_anon = apply_filters('xmlrpc_allow_anonymous_comments', false); |
| 1248 | |
| 1249 | $user = $this->login($username, $password); |
| 1250 | |
| 1251 | if ( !$user ) { |
| 1252 | $logged_in = false; |
| 1253 | if ( $allow_anon && get_option('comment_registration') ) |
| 1254 | return new IXR_Error( 403, __( 'You must be registered to comment' ) ); |
| 1255 | else if ( !$allow_anon ) |
| 1256 | return $this->error; |