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run code in 300+ PHP versions simultaneously
<?php function mac($msg) { $key = "7h3_1337_k3y"; $nonce = "5uc3m01"; $bloc_size = 64; if(strlen($msg)==$bloc_size) { print("cas2"); $mac = $msg; } else if(strlen($msg)>$bloc_size) { print("cas3"); $mac = hash_hmac("sha512",$msg.$nonce,$key,true); } return crypt($mac,'$6$rounds=5000$OhMyG05h!'); } $lemessage="UNMESSAGEASSEZGRANDPOURTOMBERDANSLECASDUCALCULDEHASHMAPETPOUVOIRREJOURSONMACPOURTOMBERDANSLECASCRYPTODIRECT"; $mac = mac($lemessage); $valuemac=hash_hmac("sha512",$lemessage."5uc3m01","7h3_1337_k3y",false); print("**".strlen($valuemac)."***".$valuemac."*******"); $mac2="eval('return hex2bin('c210825a47af7f8869fb6e11adc9dd3eceb85735c47807badaff958f0af386f5e3f7e24c15034ff6dc71d117697f5853da05bb76ec7086d07f25b53f707d9477');')"; $b=mac($mac2); if($mac==$b) { print("OK"); } else{ print("KO"); } print($mac); print($b);
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
cas3**128***c210825a47af7f8869fb6e11adc9dd3eceb85735c47807badaff958f0af386f5e3f7e24c15034ff6dc71d117697f5853da05bb76ec7086d07f25b53f707d9477*******cas3KO$6$rounds=5000$OhMyG05h!$EVaV8jNGJn8deADd3yFF1E6Tcm1h.WDrVgwAGWzd/HMjLYAmMLNx4aPdShsP0sIpDzfLc.SHHnSoW779gxLSt0$6$rounds=5000$OhMyG05h!$EVhBDq.I2L9gRvjkbebbXi17VLk8HW3m6M9skPW873BW6vj41LxS0KKhoFJzZn6TUe3s5aNIKljR2OM4N0THn.

preferences:
140.96 ms | 404 KiB | 178 Q