3v4l.org

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

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)
8.3.60.0100.00716.50
8.3.50.0120.00922.05
8.3.40.0130.00718.42
8.3.30.0070.00718.59
8.3.20.0000.00720.21
8.3.10.0070.00023.53
8.3.00.0000.00919.13
8.2.180.0150.00018.29
8.2.170.0100.01022.96
8.2.160.0070.01020.57
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0050.00926.16
8.2.120.0040.00417.50
8.2.110.0030.00622.08
8.2.100.0040.00817.80
8.2.90.0050.00218.89
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0060.00317.93
8.2.50.0060.00318.07
8.2.40.0030.00619.38
8.2.30.0070.00020.60
8.2.20.0040.00417.54
8.2.10.0000.00817.93
8.2.00.0040.00417.91
8.1.280.0140.00325.92
8.1.270.0030.00623.92
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00322.36
8.1.230.0070.00417.63
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0070.00317.10
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0090.00018.66
8.1.160.0030.00521.99
8.1.150.0020.00518.71
8.1.140.0080.00019.48
8.1.130.0000.00717.50
8.1.120.0070.00017.23
8.1.110.0040.00417.32
8.1.100.0000.00717.30
8.1.90.0040.00417.19
8.1.80.0080.00017.28
8.1.70.0030.00317.34
8.1.60.0040.00417.50
8.1.50.0000.00817.46
8.1.40.0080.00017.48
8.1.30.0050.00317.58
8.1.20.0040.00417.60
8.1.10.0000.00817.40
8.1.00.0050.00317.23
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0030.00318.39
8.0.270.0000.00716.99
8.0.260.0060.00016.99
8.0.250.0030.00516.75
8.0.240.0080.00016.81
8.0.230.0040.00416.80
8.0.220.0080.00016.74
8.0.210.0030.00316.73
8.0.200.0030.00316.78
8.0.190.0040.00416.81
8.0.180.0030.00516.81
8.0.170.0040.00416.77
8.0.160.0040.00416.62
8.0.150.0040.00416.73
8.0.140.0030.00316.77
8.0.130.0050.00013.16
8.0.120.0050.00316.75
8.0.110.0040.00416.74
8.0.100.0050.00316.73
8.0.90.0070.00016.70
8.0.80.0070.00716.81
8.0.70.0040.00416.75
8.0.60.0040.00416.82
8.0.50.0000.00816.74
8.0.30.0110.00817.20
8.0.20.0060.01217.40
8.0.10.0020.00516.73
8.0.00.0120.00716.77
7.4.330.0000.00515.08
7.4.320.0000.00616.39
7.4.300.0060.00016.41
7.4.290.0030.00316.54
7.4.280.0100.00016.44
7.4.270.0000.00716.33
7.4.260.0040.00416.40
7.4.250.0040.00416.49
7.4.240.0030.00416.42
7.4.230.0050.00316.62
7.4.220.0070.01116.37
7.4.210.0110.00416.55
7.4.200.0070.00016.46
7.4.160.0030.01216.27
7.4.150.0120.00617.40
7.4.140.0080.01417.86
7.4.130.0130.00516.46
7.4.120.0130.00516.48
7.4.110.0100.01116.53
7.4.100.0110.01516.65
7.4.90.0150.00716.27
7.4.80.0080.01119.39
7.4.70.0110.00516.35
7.4.60.0100.00716.41
7.4.50.0030.00516.52
7.4.40.0100.00716.37
7.4.30.0100.00716.30
7.4.00.0100.00714.97
7.3.330.0030.00313.21
7.3.320.0050.00013.11
7.3.310.0030.00316.14
7.3.300.0030.00316.07
7.3.290.0090.00816.21
7.3.280.0110.00616.18
7.3.270.0000.01717.40
7.3.260.0060.01016.34
7.3.250.0090.00716.40
7.3.240.0060.01316.32
7.3.230.0080.00816.39
7.3.210.0130.00316.45
7.3.200.0090.00816.52
7.3.190.0100.00516.16
7.3.180.0060.01216.28
7.3.170.0110.01116.40
7.3.160.0090.01216.50
7.2.330.0080.01216.61
7.2.320.0200.00316.20
7.2.310.0030.01316.66
7.2.300.0070.01016.25
7.2.290.0140.00416.51
7.2.60.0070.00716.83
7.2.00.0030.01319.00
7.1.200.0040.00815.74
7.1.100.0090.00318.19
7.1.70.0030.00517.16
7.1.60.0110.01519.43
7.1.50.0060.01316.95
7.1.00.0100.07022.31
7.0.200.0060.00614.95
7.0.60.0130.07319.92
7.0.50.0070.06317.88
7.0.40.0070.07320.24
7.0.30.0230.05320.22
7.0.20.0270.04020.13
7.0.10.0170.07720.15
7.0.00.0070.03720.22
5.6.280.0000.03321.07
5.6.210.0100.08020.47
5.6.200.0130.07718.16
5.6.190.0030.04320.48
5.6.180.0400.05720.43
5.6.170.0330.07720.41
5.6.160.0100.03320.50
5.6.150.0170.04018.18
5.6.140.0030.05018.18
5.6.130.0100.08318.17
5.6.120.0100.07720.92
5.6.110.0030.04320.98
5.6.100.0100.07720.97
5.6.90.0030.08321.12
5.6.80.0030.08720.50
5.5.350.0370.06720.40
5.5.340.0000.04318.04
5.5.330.0070.05720.44
5.5.320.0270.06720.42
5.5.310.0330.07720.34
5.5.300.0030.08317.95
5.5.290.0070.04017.95
5.5.280.0070.08320.65
5.5.270.0030.08720.88
5.5.260.0100.06720.84
5.5.250.0070.07320.67
5.5.240.0100.04320.35
5.4.450.0370.06719.29
5.4.440.0530.06319.41
5.4.430.0800.04719.33
5.4.420.0700.04319.58
5.4.410.0630.04719.44
5.4.400.0200.07019.07
5.4.390.0100.07019.27
5.4.380.0200.06019.12
5.4.370.0200.05719.27
5.4.360.0200.05319.12
5.4.350.0130.05719.12
5.4.340.0570.05718.84
5.4.320.0600.06019.25
5.4.310.0700.05718.87
5.4.300.0200.04719.05
5.4.290.0200.05719.13
5.4.280.0130.07719.12
5.4.270.0270.05019.22
5.4.260.0100.05319.05
5.4.250.0130.05719.07
5.4.240.0200.06019.13
5.4.230.0470.06718.96
5.4.220.0530.06019.37
5.4.210.0200.05319.05
5.4.200.0430.06319.22
5.4.190.0770.06019.21
5.4.180.0630.06319.36
5.4.170.0670.05718.95
5.4.160.0730.06718.98
5.4.150.0500.06319.11
5.4.140.0530.04716.52
5.4.130.0030.06316.51
5.4.120.0430.05316.30
5.4.110.0430.05016.59
5.4.100.0530.04716.25
5.4.90.0670.06016.57
5.4.80.0500.05316.58
5.4.70.0230.06016.56
5.4.60.0270.05316.25
5.4.50.0300.04716.25
5.4.40.0530.04316.49
5.4.30.0630.06316.55
5.4.20.0570.06016.21
5.4.10.0670.04716.55
5.4.00.0500.05016.00

preferences:
71.55 ms | 401 KiB | 5 Q