3v4l.org

run code in 300+ PHP versions simultaneously
<?php $apikey = '2fvmer3qbk7f3jnqneg58bu2'; $secret = 'qvxkmw57pec7'; $timestamp = gmdate('U', 1200603038); // 1200603038 echo $timestamp; <br> $sig = md5($apikey . $secret . $timestamp); echo $sig; <br> echo md5($apikey . $secret); ?>

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.0.20.0330.08020.06
7.0.10.0000.04720.23
7.0.00.0130.07720.25
5.6.170.0400.07320.47
5.6.160.0070.04020.55
5.6.150.0130.07318.27
5.6.140.0130.07318.18
5.6.130.0030.06718.27
5.6.120.0070.04320.89
5.6.110.0070.06021.11
5.6.100.0130.05020.97
5.6.90.0100.08021.00
5.6.80.0170.07720.37
5.5.310.0230.03720.34
5.5.300.0070.05317.98
5.5.290.0130.07017.99
5.5.280.0030.08320.80
5.5.270.0170.07720.86
5.5.260.0030.05720.97
5.5.250.0200.07320.54
5.5.240.0270.05020.26

preferences:
137.31 ms | 1394 KiB | 7 Q