Online PHP editor | output for WKBI3

<?php function OhYea2GunNukesSpamUsingDruszAvatarAndLotsOfHardcodedCrapYOLOSWAGHeyKarlSupMan($input) { $blacklist = array('a-xxx-site-with-spam.com','visual.merriam-webster.com','yet-another-enlarge-your-whatever-spam.com'); $output=$input; foreach ($blacklist as $a_blacklisted) { $output = preg_replace('/<img(.*?)src=.http(.*?)'.str_replace('.','\.',$a_blacklisted).'(.*?)>/', '<img src="http://standardsurvival.com/faces/64/drusz.png">', $output); } return $output; } echo OhYea2GunNukesSpamUsingDruszAvatarAndLotsOfHardcodedCrapYOLOSWAGHeyKarlSupMan("a spammy one: <img src='http://www.a-xxx-site-with-spam.com/test1.jpg'>\n"); echo OhYea2GunNukesSpamUsingDruszAvatarAndLotsOfHardcodedCrapYOLOSWAGHeyKarlSupMan("a legit one: <img src='http://www.google.com/test1.jpg'>\n"); echo OhYea2GunNukesSpamUsingDruszAvatarAndLotsOfHardcodedCrapYOLOSWAGHeyKarlSupMan("another legit: <img src='http://www.domain.com/test1.jpg'>\n"); echo OhYea2GunNukesSpamUsingDruszAvatarAndLotsOfHardcodedCrapYOLOSWAGHeyKarlSupMan("a spammy: <img src='http://visual.merriam-webster.com/test1.jpg'>\n"); echo OhYea2GunNukesSpamUsingDruszAvatarAndLotsOfHardcodedCrapYOLOSWAGHeyKarlSupMan("a legit: <img src='http://www.example.com/test1.jpg'>\n"); echo OhYea2GunNukesSpamUsingDruszAvatarAndLotsOfHardcodedCrapYOLOSWAGHeyKarlSupMan("and a spammy with http(s): <img src='https://yet-another-enlarge-your-whatever-spam.com/test1.jpg'>\n");