3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a(int $a = null) { var_dump($a); } a(1); a(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)
8.3.60.0150.00616.63
8.3.50.0100.00719.63
8.3.40.0170.00318.84
8.3.30.0070.00718.40
8.3.20.0050.00318.77
8.3.10.0080.00021.65
8.3.00.0040.00420.90
8.2.180.0140.00318.04
8.2.170.0080.00622.96
8.2.160.0070.01020.43
8.2.150.0120.00324.18
8.2.140.0030.00524.66
8.2.130.0000.00721.04
8.2.120.0040.00426.35
8.2.110.0070.00320.35
8.2.100.0060.00617.78
8.2.90.0030.00617.63
8.2.80.0040.00417.97
8.2.70.0000.00917.91
8.2.60.0040.00418.03
8.2.50.0000.00818.10
8.2.40.0020.00520.37
8.2.30.0040.00419.10
8.2.20.0040.00417.97
8.2.10.0000.00717.80
8.2.00.0030.00617.60
8.1.280.0030.01425.92
8.1.270.0040.00422.14
8.1.260.0000.00828.09
8.1.250.0040.00428.09
8.1.240.0060.00320.96
8.1.230.0110.00019.49
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0090.00017.23
8.1.180.0080.00018.10
8.1.170.0080.00018.55
8.1.160.0000.00718.65
8.1.150.0000.00922.01
8.1.140.0040.00719.44
8.1.130.0050.00217.61
8.1.120.0000.00717.29
8.1.110.0050.00317.34
8.1.100.0030.00517.30
8.1.90.0070.00017.30
8.1.80.0000.00717.21
8.1.70.0070.00017.28
8.1.60.0040.00417.57
8.1.50.0030.00617.46
8.1.40.0030.00617.35
8.1.30.0040.00417.54
8.1.20.0000.00817.48
8.1.10.0030.00517.29
8.1.00.0090.00017.20
8.0.300.0030.00518.77
8.0.290.0050.00316.58
8.0.280.0000.00718.35
8.0.270.0030.00517.04
8.0.260.0000.00817.18
8.0.250.0030.00316.71
8.0.240.0000.00616.82
8.0.230.0030.00316.88
8.0.220.0000.00716.72
8.0.210.0030.00316.69
8.0.200.0050.00216.81
8.0.190.0050.00316.82
8.0.180.0000.00716.69
8.0.170.0000.00716.68
8.0.160.0050.00316.74
8.0.150.0000.00716.76
8.0.140.0040.00416.71
8.0.130.0050.00013.20
8.0.120.0040.00416.67
8.0.110.0000.00716.55
8.0.100.0040.00416.60
8.0.90.0040.00416.80
8.0.80.0070.01316.70
8.0.70.0050.00216.71
8.0.60.0040.00416.66
8.0.50.0070.00016.73
8.0.30.0080.00716.96
8.0.20.0100.01017.40
8.0.10.0040.00416.70
8.0.00.0120.00616.79
7.4.330.0000.00515.55
7.4.320.0030.00316.47
7.4.300.0000.00616.38
7.4.290.0000.00716.54
7.4.280.0040.00416.41
7.4.270.0030.00316.54
7.4.260.0080.00016.54
7.4.250.0070.00016.40
7.4.240.0040.00416.36
7.4.230.0000.00816.50
7.4.220.0070.01116.43
7.4.210.0120.00816.55
7.4.200.0000.00716.36
7.4.160.0090.00616.38
7.4.150.0130.00617.40
7.4.140.0070.01017.86
7.4.130.0100.00816.40
7.4.120.0110.00716.38
7.4.110.0130.01016.42
7.4.100.0060.01016.42
7.4.90.0040.01416.28
7.4.80.0090.00719.39
7.4.70.0100.00616.41
7.4.60.0040.01316.40
7.4.50.0100.00716.25
7.4.40.0030.01316.20
7.4.30.0060.01116.37
7.4.00.0080.00714.89
7.3.330.0020.00213.24
7.3.320.0000.00513.00
7.3.310.0000.00716.24
7.3.300.0040.00416.01
7.3.290.0000.00616.24
7.3.280.0070.01216.24
7.3.270.0130.00317.40
7.3.260.0140.00516.27
7.3.250.0110.01016.33
7.3.240.0120.00916.34
7.3.230.0070.01016.45
7.3.210.0090.01216.55
7.3.200.0120.00616.34
7.3.190.0090.00916.45
7.3.180.0120.00316.40
7.3.170.0100.00716.28
7.3.160.0030.01316.50
7.3.120.0080.01014.72
7.3.110.0050.01114.50
7.3.100.0100.00514.66
7.3.90.0090.00414.65
7.3.80.0060.00614.69
7.3.70.0050.01014.72
7.3.60.0020.01314.88
7.3.50.0050.00814.59
7.3.40.0040.01214.60
7.3.30.0050.00914.52
7.3.20.0090.00516.49
7.3.10.0060.00616.52
7.3.00.0050.00916.44
7.2.330.0160.00316.16
7.2.320.0150.00716.43
7.2.310.0120.00416.52
7.2.300.0110.00716.54
7.2.290.0090.00616.25
7.2.250.0110.00714.90
7.2.240.0080.01115.04
7.2.230.0080.00814.81
7.2.220.0040.00914.61
7.2.210.0060.00614.59
7.2.200.0020.01114.88
7.2.190.0050.01115.01
7.2.180.0090.00514.71
7.2.170.0030.01414.92
7.2.60.0030.01416.92
7.2.00.0030.01418.95
7.1.330.0060.00615.71
7.1.320.0060.00315.79
7.1.310.0030.01115.80
7.1.300.0110.00415.67
7.1.290.0030.01215.73
7.1.280.0070.00715.79
7.1.270.0060.00615.66
7.1.260.0090.00615.82
7.1.200.0090.00315.74
7.1.100.0070.00417.64
7.1.70.0060.00316.87
7.1.60.0030.00717.29
7.1.50.0030.01717.05
7.1.00.0100.07022.48
7.0.200.0050.00316.74
7.0.130.0070.08022.05
7.0.120.0070.05721.97
7.0.110.0170.05322.11
7.0.100.0000.06022.12
7.0.90.0130.05722.11
7.0.80.0070.05322.02
7.0.70.0130.07022.21
7.0.60.0130.04721.99
7.0.50.0070.05322.08
7.0.40.0070.05322.14
7.0.30.0100.05721.98
7.0.20.0230.04022.05
7.0.10.0100.05322.13
7.0.00.0100.05722.03
5.6.280.0070.06321.13
5.6.270.0170.05720.95
5.6.260.0070.06720.88
5.6.250.0030.05720.89
5.6.240.0030.08721.04
5.6.230.0070.05721.10
5.6.220.0170.05021.07
5.6.210.0030.05720.93
5.6.200.0130.05320.76
5.6.190.0130.05020.83
5.6.180.0000.06321.06
5.6.170.0170.04720.97
5.6.160.0100.06020.84
5.6.150.0070.06320.80
5.6.140.0170.05320.92
5.6.130.0070.06020.74
5.6.120.0100.05720.93
5.6.110.0030.06020.82
5.6.100.0170.04720.75
5.6.90.0000.06021.02
5.6.80.0130.04720.21
5.6.70.0200.04020.30
5.6.60.0030.06320.31
5.6.50.0170.05020.39
5.6.40.0070.05720.38
5.6.30.0100.05320.39
5.6.20.0030.06020.21
5.6.10.0130.04720.30
5.6.00.0130.07320.42

preferences:
55.49 ms | 401 KiB | 5 Q