3v4l.org

run code in 300+ PHP versions simultaneously
<?php #echo bin2hex(strrev(base64_encode(123456789))); echo " "; $str = "3d3d516343746d4d6d6c31566956336"; #echo $str; echo " "; $b64 = base64_decode($str); #echo $b64; echo " "; $strrev = strrev($str); #echo $strrev; echo " "; $hex2bin = base64_decode($str); #echo $hex2bin; echo " "; $a = hex2bin(strrev($str)); echo $a; echo " ";

preferences:
37.69 ms | 402 KiB | 5 Q