3v4l.org

run code in 300+ PHP versions simultaneously
<?php $q = array(); for ($i = 0; $i < 1000; $i++) { $q[] = md5(rand()); } echo implode(' ', $q);

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)
7.2.100.0140.00514.76
7.2.90.0760.00014.58
7.2.80.0750.00914.65
7.2.70.0890.00015.14
7.2.60.0780.00415.27
7.2.50.0850.00015.14
7.2.40.0980.00315.13
7.1.220.0670.00413.84
7.1.210.0700.01013.73
7.1.200.0730.01013.87
7.1.190.0740.00313.96
7.1.180.0570.00913.80
7.1.170.0870.00314.19
7.0.310.1300.00613.61
7.0.300.0860.00613.61
5.6.380.0050.00914.37
5.6.370.0040.00714.79
5.6.360.0070.00414.67

preferences:
33.72 ms | 401 KiB | 5 Q