3v4l.org

run code in 300+ PHP versions simultaneously
<?php $q = array(); for ($i = 0; $i < 100000; $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)
7.2.100.9810.04927.46
7.2.90.9810.03627.18
7.2.81.2600.03327.26
7.2.70.7710.04028.02
7.2.60.7620.04027.48
7.2.51.0630.04527.84
7.2.40.4450.03127.79
7.1.220.5340.03626.65
7.1.211.1860.05926.49
7.1.201.0190.04326.48
7.1.190.6920.04926.88
7.1.180.4350.03527.03
7.1.170.1070.04326.69
7.0.311.3770.03926.58
7.0.300.8010.04126.63
5.6.380.0320.06037.09
5.6.370.0450.06537.47
5.6.360.0140.08637.42

preferences:
34.14 ms | 400 KiB | 5 Q