3v4l.org

run code in 300+ PHP versions simultaneously
<?php $signData = 'yello'; $hmacKey = '123456'; $merchantSig = base64_encode(hash_hmac('sha256',$signData,pack("H*" , $hmacKey),true)); echo "PHP with Packing\n"; echo $merchantSig . "\n"; echo "==========\n"; $merchantSig = base64_encode(hash_hmac('sha256',$signData,$hmacKey,true)); echo "PHP without Packing\n"; echo $merchantSig . "\n";
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
PHP with Packing Y8D5crzxQfFkwQn1OJHeZTS1KVuTH0y7qLuxyetE0TY= ========== PHP without Packing gKjrFq1nrRP33vGiAK9V1Z5bLX5EFZhcfy2flRIGPEI=
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1
Fatal error: Call to undefined function hash_hmac() in /in/HCt4g on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: hash_hmac() in /in/HCt4g on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: hash_hmac() in /in/HCt4g on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: hash_hmac() in /in/HCt4g on line 6

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170.53 ms | 409 KiB | 5 Q