3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(string $bar = null, $x) {}

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)
8.5.10.0080.00919.51
8.5.00.0140.00919.75
8.4.160.0130.00921.82
8.4.150.0020.00014.05
8.4.140.0090.01217.29
8.4.130.0150.00518.93
8.4.120.0080.00119.42
8.4.110.0130.00618.22
8.4.100.0070.00517.79
8.4.90.0100.01122.44
8.4.80.0050.00418.95
8.4.70.0120.00720.52
8.4.60.0100.00620.61
8.4.50.0090.01018.46
8.4.40.0060.01017.55
8.4.30.0130.00620.53
8.4.20.0160.00519.44
8.4.10.0170.00318.22
8.3.290.0120.00920.62
8.3.280.0090.01218.16
8.3.270.0120.01516.34
8.3.260.0080.01016.49
8.3.250.0150.00416.24
8.3.240.0100.00916.51
8.3.230.0090.00116.61
8.3.220.0050.00418.98
8.3.210.0130.00716.59
8.3.200.0030.00616.68
8.3.190.0100.00617.16
8.3.180.0060.00818.86
8.3.170.0120.00620.59
8.3.160.0160.00318.21
8.3.150.0100.00316.89
8.3.140.0130.00618.42
8.3.130.0060.00817.38
8.3.120.0110.00318.40
8.3.110.0290.00616.15
8.3.100.0300.00816.13
8.3.90.0330.00716.32
8.3.80.0350.00716.30
8.3.70.0280.00816.39
8.3.60.0280.00416.28
8.3.50.0300.00216.13
8.3.40.0200.00917.12
8.3.30.0170.00717.34
8.3.20.0170.00817.13
8.3.10.0170.00817.31
8.3.00.0080.00817.37
8.2.300.0130.00920.28
8.2.290.0110.00816.26
8.2.280.0120.00817.92
8.2.270.0190.00216.44
8.2.260.0150.00416.38
8.2.250.0100.00317.41
8.2.240.0110.00316.62
8.2.230.0170.00316.27
8.2.220.0230.00516.18
8.2.210.0190.00616.09
8.2.200.0260.00616.23
8.2.190.0220.01016.33
8.2.180.0180.00516.35
8.2.170.0260.00817.45
8.2.160.0280.00517.35
8.2.150.0200.00817.10
8.2.140.0270.00717.08
8.2.130.0270.00717.25
8.2.120.0260.00717.15
8.2.110.0310.00517.38
8.2.100.0320.00517.23
8.2.90.0290.00817.32
8.2.80.0330.00617.36
8.2.70.0390.00417.08
8.2.60.0310.00817.29
8.2.50.0290.00717.24
8.2.40.0230.01017.19
8.2.30.0250.00917.14
8.2.20.0310.00517.22
8.2.10.0290.00517.33
8.2.00.0260.00617.13
8.1.340.0100.01019.76
8.1.330.0100.00916.12
8.1.320.0120.00717.72
8.1.310.0130.00516.21
8.1.300.0080.00515.97
8.1.290.0260.00915.88
8.1.280.0250.00715.77
8.1.270.0240.00617.11
8.1.260.0340.00117.08
8.1.250.0290.00817.10
8.1.240.0210.00917.04
8.1.230.0240.00417.04
8.1.220.0240.00616.90
8.1.210.0230.00516.82
8.1.200.0210.00816.95
8.1.190.0230.00517.01
8.1.180.0250.00616.87
8.1.170.0190.00917.09
8.1.160.0240.00417.03
8.1.150.0190.01017.11
8.1.140.0240.00716.97
8.1.130.0250.00517.12
8.1.120.0220.00717.24
8.1.110.0230.00716.99
8.1.100.0250.00317.10
8.1.90.0200.00716.91
8.1.80.0250.00717.11
8.1.70.0250.00516.97
8.1.60.0240.00717.15
8.1.50.0280.00717.11
8.1.40.0300.00717.11
8.1.30.0280.00617.29
8.1.20.0290.00517.18
8.1.10.0260.00317.12
8.1.00.0250.00416.91

preferences:
28.12 ms | 403 KiB | 5 Q