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<?php function OhYea2GunNukesSpamUsingDruszAvatarAndLotsOfHardcodedCrapYOLOSWAGHeyKarlSupMan($input) { $blacklist = array('a-xxx-site-with-spam.com','visual.merriam-webster.com','example.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"> spammy'); echo '\n'; echo OhYea2GunNukesSpamUsingDruszAvatarAndLotsOfHardcodedCrapYOLOSWAGHeyKarlSupMan('a legit one: <img src="http://www.google.com/test1.jpg">'); echo OhYea2GunNukesSpamUsingDruszAvatarAndLotsOfHardcodedCrapYOLOSWAGHeyKarlSupMan('another legit: <img src="http://www.domain.com/test1.jpg">'); echo OhYea2GunNukesSpamUsingDruszAvatarAndLotsOfHardcodedCrapYOLOSWAGHeyKarlSupMan('a spammy: <img src="http://visual.merriam-webster.com/test1.jpg">'); echo OhYea2GunNukesSpamUsingDruszAvatarAndLotsOfHardcodedCrapYOLOSWAGHeyKarlSupMan('a legit: <img src="http://www.example.com/test1.jpg">');
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
a spammy one: <img src="http://standardsurvival.com/faces/64/drusz.png"> spammy\na legit one: <img src="http://www.google.com/test1.jpg">another legit: <img src="http://www.domain.com/test1.jpg">a spammy: <img src="http://standardsurvival.com/faces/64/drusz.png">a legit: <img src="http://standardsurvival.com/faces/64/drusz.png">

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