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run code in 150+ php & hhvm versions
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<?php function MLencrypt($pass){ $hash = ''; for($i=0;$i<strlen($pass);$i++) $hash .= substr(md5($pass[$i]),($i%15),30); return md5($hash); } $a = 'MLencrypt'; var_dump($$a);
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: MLencrypt in /in/au0Nv on line 10 NULL
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: MLencrypt in /in/au0Nv on line 10 NULL