3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(string $a = NULL) { var_dump($a); } foo(); foo('bar'); foo(NULL);

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)
8.5.10.0080.00916.63
8.5.00.0150.00619.93
8.4.150.0020.00014.05
8.4.140.0120.01017.61
8.4.130.0160.00417.72
8.4.120.0070.00217.51
8.4.110.0080.01017.69
8.4.100.0110.01017.67
8.4.90.0120.00820.70
8.4.80.0060.00220.29
8.4.70.0010.00818.00
8.4.60.0050.00618.83
8.4.50.0130.00818.71
8.4.40.0060.01317.54
8.4.30.0030.00620.28
8.4.20.0100.00318.03
8.4.10.0120.00322.32
8.3.280.0140.00618.32
8.3.270.0130.00716.45
8.3.260.0060.00216.23
8.3.250.0100.00918.59
8.3.240.0110.00916.39
8.3.230.0140.00416.61
8.3.220.0030.00418.86
8.3.210.0060.00116.51
8.3.200.0100.00916.33
8.3.190.0100.00916.93
8.3.180.0030.00517.30
8.3.170.0120.00618.88
8.3.160.0150.00317.07
8.3.150.0100.01016.65
8.3.140.0080.00017.27
8.3.130.0040.00418.27
8.3.120.0050.00520.62
8.3.110.0090.00916.29
8.3.100.0060.00316.53
8.3.90.0040.00418.43
8.3.80.0090.00016.75
8.3.70.0100.00716.58
8.3.60.0090.00616.75
8.3.50.0110.00723.73
8.3.40.0070.00718.59
8.3.30.0170.00018.49
8.3.20.0000.00724.18
8.3.10.0000.00824.66
8.3.00.0000.00826.16
8.2.290.0110.00516.26
8.2.280.0140.00518.00
8.2.270.0070.01118.63
8.2.260.0050.00316.67
8.2.250.0070.00316.50
8.2.240.0040.01116.84
8.2.230.0030.00620.94
8.2.220.0060.00324.06
8.2.210.0040.00426.77
8.2.200.0060.00316.25
8.2.190.0110.01116.58
8.2.180.0130.00325.92
8.2.170.0110.00418.56
8.2.160.0100.00322.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0030.00326.16
8.2.120.0050.00526.35
8.2.110.0040.00722.21
8.2.100.0120.00019.32
8.2.90.0080.00017.50
8.2.80.0090.00018.61
8.2.70.0100.00017.50
8.2.60.0040.00419.66
8.2.50.0050.00318.05
8.2.40.0040.00418.09
8.2.30.0040.00417.94
8.2.20.0000.00717.81
8.2.10.0000.00819.19
8.2.00.0000.00718.99
8.1.330.0110.00916.04
8.1.320.0110.00816.16
8.1.310.0100.00718.39
8.1.300.0030.00616.13
8.1.290.0030.00630.84
8.1.280.0120.00625.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00320.57
8.1.230.0070.00717.77
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0070.00317.22
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0000.00718.52
8.1.160.0040.00418.68
8.1.150.0070.00018.87
8.1.140.0040.00418.68
8.1.130.0040.00419.11
8.1.120.0040.00417.36
8.1.110.0030.00517.34
8.1.100.0020.00517.34
8.1.90.0000.00817.33
8.1.80.0000.00917.32
8.1.70.0040.00417.31
8.1.60.0060.00317.48
8.1.50.0000.00817.32
8.1.40.0040.00417.48
8.1.30.0000.00817.48
8.1.20.0090.00317.52
8.1.10.0030.00617.35
8.1.00.0000.00817.36
8.0.300.0000.00718.77
8.0.290.0040.00416.58
8.0.280.0070.00018.31
8.0.270.0030.00317.88
8.0.260.0040.00416.68
8.0.250.0070.00016.80
8.0.240.0000.00716.84
8.0.230.0030.00316.67
8.0.220.0000.00716.66
8.0.210.0030.00316.79
8.0.200.0000.00816.81
8.0.190.0030.00616.89
8.0.180.0040.00416.77
8.0.170.0050.00316.71
8.0.160.0000.00816.71
8.0.150.0040.00416.59
8.0.140.0040.00416.73
8.0.130.0030.00313.13
8.0.120.0040.00416.77
8.0.110.0050.00216.88
8.0.100.0030.00316.88
8.0.90.0000.00816.76
8.0.80.0070.01016.75
8.0.70.0070.00016.58
8.0.60.0030.00516.65
8.0.50.0000.00816.88
8.0.30.0120.00617.14
8.0.20.0150.00516.89
8.0.10.0040.00416.79
8.0.00.0140.00616.43
7.4.330.0020.00215.55
7.4.320.0000.00616.41
7.4.300.0000.00716.54
7.4.290.0080.00016.45
7.4.280.0040.00416.36
7.4.270.0000.00716.55
7.4.260.0050.00013.24
7.4.250.0040.00416.45
7.4.240.0000.00816.43
7.4.230.0070.00016.55
7.4.220.0060.00216.54
7.4.210.0110.00716.52
7.4.200.0000.00716.54
7.4.130.0130.00516.40
7.4.120.0100.01416.43
7.4.110.0150.00316.44
7.4.100.0090.00716.15
7.4.90.0130.00316.57
7.4.80.0110.00516.42
7.4.70.0050.01116.31
7.4.60.0090.00916.38
7.4.50.0100.01016.38
7.4.40.0110.00616.23
7.4.30.0110.00916.31
7.4.20.0110.00716.25
7.4.10.0140.00416.36
7.4.00.0070.00916.38
7.3.330.0030.00316.20
7.3.320.0000.00513.09
7.3.310.0030.00316.28
7.3.300.0040.00416.25
7.3.290.0080.00716.18
7.3.280.0100.01016.21
7.3.260.0030.01616.29
7.3.230.0110.00616.23
7.3.210.0060.01116.53
7.3.200.0080.00816.42
7.3.190.0090.00716.36
7.3.180.0120.00516.25
7.3.170.0130.00816.29
7.3.160.0080.01116.29
7.3.150.0130.00616.29
7.3.140.0090.00816.29
7.3.130.0080.00916.26
7.3.120.0050.01116.15
7.3.110.0080.00916.07
7.3.100.0140.00716.41
7.3.90.0110.00816.11
7.3.80.0070.01016.30
7.3.70.0130.00516.28
7.3.60.0100.00816.25
7.3.50.0070.00916.36
7.3.40.0080.00916.23
7.3.30.0090.00816.25
7.3.20.0100.00716.26
7.3.10.0140.00616.32
7.3.00.0110.00816.27
7.2.330.0100.01316.61
7.2.320.0120.00516.49
7.2.310.0100.01116.37
7.2.300.0080.01316.34
7.2.290.0070.01116.29
7.2.280.0080.01216.36
7.2.270.0120.00516.24
7.2.260.0080.01016.33
7.2.250.0040.01316.25
7.2.240.0120.00516.39
7.2.230.0100.00916.18
7.2.220.0100.00716.28
7.2.210.0060.01516.49
7.2.200.0070.01216.43
7.2.190.0110.00816.31
7.2.180.0080.01016.35
7.2.170.0080.01016.25
7.2.160.0090.01016.33
7.2.150.0140.00716.33
7.2.140.0080.01116.58
7.2.130.0100.01016.44
7.2.120.0120.01116.52
7.2.110.0110.01216.41
7.2.100.0120.00716.42
7.2.90.0100.00816.42
7.2.80.0130.00716.45
7.2.70.0090.01116.22
7.2.60.0150.00716.47
7.2.50.0100.01116.43
7.2.40.0090.00916.39
7.2.30.0070.01216.40
7.2.20.0110.00716.31
7.2.10.0100.01016.39
7.2.00.0100.01016.42

preferences:
37.55 ms | 403 KiB | 5 Q