3v4l.org

run code in 500+ PHP versions simultaneously
<?php $a = 1; $b = $a+++ ++$a; echo $b;

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)
8.5.60.0080.01016.70
8.5.50.0100.00716.76
8.5.30.0210.00717.94
8.5.20.0220.01018.28
8.5.10.0290.00716.51
8.5.00.0240.00917.31
8.4.210.0150.00619.40
8.4.180.0240.00919.54
8.4.170.0230.00920.63
8.4.160.0240.01120.63
8.4.150.0150.00818.13
8.4.140.0270.01017.53
8.4.130.0310.00917.53
8.4.120.0300.00918.37
8.4.110.0310.00818.83
8.4.100.0340.01117.59
8.4.90.0330.00817.65
8.4.80.0290.00818.16
8.4.70.0290.00817.49
8.4.60.0390.00817.61
8.4.50.0350.00917.61
8.4.40.0390.01017.29
8.4.30.0390.00917.54
8.4.20.0370.00817.32
8.4.10.0380.00817.44
8.3.300.0210.00919.50
8.3.290.0280.00919.29
8.3.280.0300.00818.16
8.3.270.0290.00916.53
8.3.260.0270.00816.47
8.3.250.0280.00917.13
8.3.240.0300.00816.51
8.3.230.0330.00616.44
8.3.220.0290.00716.56
8.3.210.0270.00916.53
8.3.200.0370.01016.55
8.3.190.0340.00816.61
8.3.180.0360.00916.57
8.3.170.0390.00916.47
8.3.160.0360.00916.47
8.3.150.0390.00716.41
8.3.140.0350.00916.50
8.3.130.0300.00916.56
8.3.120.0310.00816.51
8.3.110.0340.00716.46
8.3.100.0390.00816.59
8.3.90.0380.00916.41
8.3.80.0370.00916.48
8.3.70.0370.01116.48
8.3.60.0330.00916.81
8.3.50.0380.00916.46
8.3.40.0340.00917.53
8.3.30.0270.00817.54
8.3.20.0290.00917.47
8.3.10.0280.00817.60
8.3.00.0230.00817.54
8.2.300.0220.00918.28
8.2.290.0230.00917.52
8.2.280.0290.00816.66
8.2.270.0320.00716.57
8.2.260.0300.00816.43
8.2.250.0290.00816.58
8.2.240.0300.00716.52
8.2.230.0270.00816.42
8.2.220.0270.00716.59
8.2.210.0270.00716.43
8.2.200.0250.00816.46
8.2.190.0300.00716.44
8.2.180.0280.00716.48
8.2.170.0290.00717.66
8.2.160.0310.00617.70
8.2.150.0290.00717.63
8.2.140.0270.00817.60
8.2.130.0250.00917.62
8.2.120.0300.00817.61
8.2.110.0300.00717.58
8.2.100.0290.00717.71
8.2.90.0280.00817.70
8.2.80.0290.00717.65
8.2.70.0280.00817.66
8.2.60.0280.00717.61
8.2.50.0290.00517.57
8.2.40.0270.00917.62
8.2.30.0260.00717.61
8.2.20.0250.00817.59
8.2.10.0300.00717.68
8.2.00.0280.00917.63

preferences:
49.47 ms | 839 KiB | 5 Q