Set comment as pending if author link greater than 50 characters

This simple snippet will set any comment to a pending status when ever the comment author url is greater than 50 characters long. This is of course not the best way to avoid span lots of tool exist that are more accurate. However this is a simple method that can help, if nothing else this is some interesting code you can learn from.

Code Snippet:

function comment_url_lengthcheck( $approved , $commentdata ) {
return ( strlen( $commentdata['comment_author_url'] ) > 50 ) ? '0' : $approved;
add_filter( 'pre_comment_approved', 'comment_url_lengthcheck', 99, 2 );

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