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run code in 200+ php & hhvm versions
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<?php $srch = substr("apple;\e", 0, -1); echo $srch; $search = htmlentities($srch); if (strpos($search, 'apple') !== false){ echo "in the if!\n"; echo preg_replace("/".$search."/", $search." <img src='".$search.".png'>", "apple"); }; ?>
Output for 5.4.0 - 7.2.0
apple;in the if! apple
Output for 4.3.11 - 5.3.29
apple;\in the if! Warning: preg_replace(): No ending delimiter '/' found in /in/Zq0bI on line 7
Output for 4.3.0 - 4.3.10
apple;\in the if! Warning: No ending delimiter '/' found in /in/Zq0bI on line 7