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run code in 150+ php & hhvm versions
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<?php $srch = "{${eval("echo 'apple1';#(?=/)\e")}}"; echo $srch; echo "\n"; $search = htmlentities($srch); echo $search; echo "\n"; if (strpos($search, 'apple') !== false){ echo "in the if!"; echo "\n"; echo preg_replace("/".$search."/", $search." <img src='".$search.".png'>", "apple"); }
Output for 5.0.4 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
apple1 Notice: Undefined variable: in /in/t5LkB on line 2
Output for 5.1.0

Process exited with code 137.
Output for 4.3.0 - 5.0.3
apple1 Notice: Undefined variable: in /in/t5LkB on line 2