3v4l.org

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

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)
8.3.70.0060.01118.18
8.3.60.0070.01016.63
8.3.50.0140.00521.19
8.3.40.0100.00318.58
8.3.30.0110.00418.42
8.3.20.0050.00220.21
8.3.10.0040.00421.66
8.3.00.0000.00723.65
8.2.190.0090.00616.58
8.2.180.0090.01218.04
8.2.170.0070.00722.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00819.70
8.2.120.0040.00426.35
8.2.110.0030.00620.52
8.2.100.0110.00017.59
8.2.90.0050.00318.96
8.2.80.0070.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00417.92
8.2.50.0040.00418.07
8.2.40.0030.00520.45
8.2.30.0000.00719.36
8.2.20.0050.00317.61
8.2.10.0080.00017.86
8.2.00.0000.00817.79
8.1.280.0070.01125.92
8.1.270.0140.00323.83
8.1.260.0090.00028.09
8.1.250.0070.00028.09
8.1.240.0090.00023.79
8.1.230.0110.00020.67
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0030.00617.10
8.1.180.0090.00018.10
8.1.170.0040.00418.58
8.1.160.0030.00520.63
8.1.150.0000.00918.75
8.1.140.0050.00319.35
8.1.130.0000.00717.46
8.1.120.0000.00717.31
8.1.110.0000.00717.21
8.1.100.0030.00317.38
8.1.90.0040.00417.35
8.1.80.0080.00017.27
8.1.70.0000.00717.36
8.1.60.0000.00817.52
8.1.50.0040.00417.45
8.1.40.0040.00417.50
8.1.30.0080.00017.61
8.1.20.0040.00417.54
8.1.10.0040.00417.32
8.1.00.0000.00817.20
8.0.300.0070.00018.77
8.0.290.0050.00316.63
8.0.280.0040.00418.35
8.0.270.0030.00317.03
8.0.260.0030.00317.04
8.0.250.0000.00716.82
8.0.240.0050.00216.83
8.0.230.0000.00616.72
8.0.220.0040.00416.62
8.0.210.0000.00716.74
8.0.200.0030.00316.80
8.0.190.0050.00316.70
8.0.180.0000.00716.81
8.0.170.0030.00616.75
8.0.160.0000.00716.66
8.0.150.0000.00716.76
8.0.140.0000.00716.71
8.0.130.0050.00013.22
8.0.120.0040.00416.77
8.0.110.0030.00516.60
8.0.100.0000.00816.69
8.0.90.0080.00016.58
8.0.80.0130.01016.73
8.0.70.0000.00716.70
8.0.60.0070.00016.62
8.0.50.0000.00716.78
8.0.30.0120.00917.00
8.0.20.0130.01317.40
8.0.10.0050.00316.68
8.0.00.0130.01216.73
7.4.330.0000.00516.84
7.4.320.0000.00616.30
7.4.300.0000.00816.43
7.4.290.0030.00616.46
7.4.280.0030.00616.43
7.4.270.0070.00016.42
7.4.260.0030.00316.41
7.4.250.0030.00516.37
7.4.240.0020.00516.45
7.4.230.0000.00716.47
7.4.220.0170.00316.49
7.4.210.0090.00716.40
7.4.200.0000.00816.26
7.4.160.0060.00916.58
7.4.150.0150.00617.40
7.4.140.0150.00417.86
7.4.130.0120.00616.30
7.4.120.0080.01016.38
7.4.110.0140.00316.36
7.4.100.0070.01416.50
7.4.90.0090.00816.42
7.4.80.0100.00719.39
7.4.70.0000.01716.53
7.4.60.0120.00916.31
7.4.50.0040.01116.57
7.4.40.0120.00916.49
7.4.30.0090.00916.28
7.4.00.0080.00514.79
7.3.330.0030.00313.30
7.3.320.0030.00313.30
7.3.310.0070.00016.18
7.3.300.0000.00716.20
7.3.290.0070.00016.27
7.3.280.0090.01016.19
7.3.270.0030.01517.40
7.3.260.0090.00916.33
7.3.240.0090.00916.45
7.3.230.0100.00716.39
7.3.210.0090.00616.15
7.3.200.0120.00916.25
7.3.190.0160.00016.24
7.3.180.0080.01116.37
7.3.170.0080.00816.46
7.3.160.0100.00616.48
7.3.10.0060.00616.59
7.3.00.0080.00516.42
7.2.330.0100.00716.38
7.2.320.0090.01616.16
7.2.310.0110.00716.41
7.2.300.0140.00316.32
7.2.290.0100.00616.10
7.2.130.0030.00716.83
7.2.120.0040.00716.50
7.2.110.0040.01116.40
7.2.100.0090.00316.73
7.2.90.0030.01016.68
7.2.80.0000.01416.71
7.2.70.0030.00916.71
7.2.60.0030.01216.90
7.2.50.0040.00716.69
7.2.40.0040.00716.70
7.2.30.0040.01116.83
7.2.20.0070.00316.91
7.2.10.0040.01216.68
7.2.00.0060.00617.93
7.1.250.0070.00015.54
7.1.200.0080.00315.82
7.1.100.0120.00917.76
7.1.70.0040.00417.07
7.1.60.0130.01019.28
7.1.50.0070.00316.98
7.1.00.0030.07322.43
7.0.200.0000.01116.70
7.0.60.0000.07321.73
7.0.50.0070.03717.86
7.0.40.0130.07320.11
7.0.30.0200.04320.08
7.0.20.0300.08320.09
7.0.10.0130.08020.19
7.0.00.0070.08020.16
5.6.280.0030.03021.02
5.6.210.0070.08020.50
5.6.200.0070.08018.19
5.6.190.0130.03320.50
5.6.180.0570.06320.64
5.6.170.0330.05020.48
5.6.160.0130.07020.71
5.6.150.0100.08018.18
5.6.140.0070.08018.21
5.6.130.0100.04018.15
5.6.120.0070.08320.97
5.6.110.0030.09721.08
5.6.100.0030.04721.15
5.6.90.0130.07721.01
5.6.80.0070.07320.37
5.5.350.3930.04320.29
5.5.340.0030.07717.95
5.5.330.0000.04720.23
5.5.320.0370.07020.28
5.5.310.0170.04020.30
5.5.300.0200.06317.98
5.5.290.0030.05317.93
5.5.280.0130.06720.80
5.5.270.0130.05020.97
5.5.260.0100.08020.76
5.5.250.0070.03720.58
5.5.240.0070.03320.16

preferences:
54.9 ms | 401 KiB | 5 Q