3v4l.org

run code in 500+ PHP versions simultaneously
<?php class X { function __construct( //Cannot use the final modifier on a parameter private final $property ) {} }

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)
8.4.40.0350.01317.46
8.4.30.0380.00916.86
8.4.20.0470.01317.30
8.4.10.0450.00317.68
8.3.170.0280.00016.59
8.3.160.0360.01516.51
8.3.150.0270.01016.38
8.3.140.0370.00616.61
8.3.130.0340.00316.41
8.3.120.0240.01616.57
8.3.110.0310.00716.41
8.3.100.0310.00916.39
8.3.90.0390.00716.06
8.3.80.0340.00816.42
8.3.70.0390.00616.60
8.3.60.0380.01216.33
8.3.50.0390.01016.37
8.3.40.0290.00717.54
8.3.30.0260.01317.47
8.3.20.0330.00717.21
8.3.10.0210.01417.45
8.3.00.0150.00617.22
8.2.270.0320.00616.48
8.2.260.0230.01616.27
8.2.250.0310.00716.84
8.2.240.0300.00916.72
8.2.230.0310.00716.48
8.2.220.0300.01016.70
8.2.210.0320.00616.44
8.2.200.0300.00916.15
8.2.190.0310.00716.45
8.2.180.0280.01016.56
8.2.170.0470.00717.47
8.2.160.0360.00717.41
8.2.150.0330.00717.34
8.2.140.0340.00617.49
8.2.130.0340.00717.25
8.2.120.0330.00717.23
8.2.110.0290.01017.26
8.2.100.0380.00017.19
8.2.90.0320.00617.45
8.2.80.0290.00317.29
8.2.70.0260.00417.23
8.2.60.0330.00517.17
8.2.50.0330.00717.27
8.2.40.0310.00917.41
8.2.30.0230.01117.16
8.2.20.0260.01017.17
8.2.10.0360.00017.20
8.2.00.0290.00717.29

preferences:
56.36 ms | 693 KiB | 4 Q