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<?php $search = htmlentities("phpinfo();apple/e'\'\0\';"); echo $search; if (strpos($search, 'apple') !== false) { echo preg_replace("/" . $search . "/", $search . " <img src='" . $search . ".png'>", "apple"); } elseif (strpos($search, 'orange') !== false) { echo preg_replace("/" . $search . "/", $search . " <img src='" . $search . ".png'>", "orange"); } elseif (strpos($search, 'banana') !== false) { echo preg_replace("/" . $search . "/", $search . " <img src='" . $search . ".png'>", "banana"); } elseif (strpos($search, 'kiwi') !== false) { echo preg_replace("/" . $search . "/", $search . " <img src='" . $search . ".png'>", "kiwi"); } else echo "Please search for apple, orange, banana, or kiwi.";
Output for 4.3.11 - 5.6.21, 7.0.0 - 7.1.0
phpinfo();apple/e'\'\'; Warning: preg_replace(): Unknown modifier ''' in /in/uXrv2 on line 6
Output for hhvm-3.10.0 - 3.12.0
phpinfo();apple/e'\'\'; Warning: Unknown modifier ''': [/phpinfo();apple/e'\'] in /in/uXrv2 on line 6
Output for 4.3.0 - 4.3.10
phpinfo();apple/e'\'\'; Warning: Unknown modifier ''' in /in/uXrv2 on line 6