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run code in 300+ PHP versions simultaneously
<?php function encode($str) { return str_replace(str_split('+/='), str_split('-_.'), base64_encode($str)); } function decode($str) { return base64_decode(str_replace(str_split('-_.'), str_split('+/='), $str)); } $str = "Now is the time for all good men to come to the aid of the party."; var_dump($enc = encode($str), decode($enc));

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40.93 ms | 402 KiB | 5 Q