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run code in 150+ php & hhvm versions
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<? $encodedSecret = "3d3d516343746d4d6d6c315669563362"; function encodeSecret($secret) { return base64_decode(strrev(hex2bin("3d3d516343746d4d6d6c315669563362"))); ?>
Output for 5.3.0 - 5.4.32
<? $encodedSecret = "3d3d516343746d4d6d6c315669563362"; function encodeSecret($secret) { return base64_decode(strrev(hex2bin("3d3d516343746d4d6d6c315669563362"))); ?>