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run code in 150+ php & hhvm versions
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<?php //$search = htmlentities($_GET['search']); $search=htmlentities("phpinfo('apple');\xe/\x00"); 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.";
based on 9iAG6
Output for 5.4.7 - 7.1.0
phpinfo('apple');/ Warning: preg_replace(): Null byte in regex in /in/AplDG on line 6
Output for 4.3.0 - 5.4.6
phpinfo('apple');/apple