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run code in 300+ PHP versions simultaneously
<?php function encode($string) { return strtolower( implode("", explode("=", str_rot13( base64_encode( str_rot13( base64_encode( $string ) ) ) ) ) ) ); } $test = encode('hallohallo'); var_dump($test);

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35.65 ms | 402 KiB | 5 Q