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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 |
---|---|
2948 |
|
2949 | $this->escape($args); |
2950 |
|
2951 | $blog_id = (int) $args[0]; |
2952 | $username = $args[1]; |
2953 | $password = $args[2]; |
2954 | $post = $args[3]; |
2955 | $content_struct = $args[4]; |
2956 |
|
2957 | $allow_anon = apply_filters('xmlrpc_allow_anonymous_comments', false); |
2958 |
|
2959 | $user = $this->login($username, $password); |
2960 |
|
2961 | if ( !$user ) { |
2962 | $logged_in = false; |
2963 | if ( $allow_anon && get_option('comment_registration') ) |
2964 | return new IXR_Error( 403, __( 'You must be registered to comment' ) ); |
2965 | else if ( !$allow_anon ) |
2966 | return $this->error; |