3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); function foo(string $str = null) { var_dump($str); } foo('test'); foo(null); 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)
8.3.60.0000.01416.50
8.3.50.0130.00922.11
8.3.40.0090.00618.60
8.3.30.0140.00018.46
8.3.20.0030.00520.29
8.3.10.0080.00023.61
8.3.00.0080.00019.13
8.2.180.0110.00718.04
8.2.170.0140.00022.96
8.2.160.0100.00320.39
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00917.23
8.2.120.0000.00826.35
8.2.110.0000.01119.25
8.2.100.0110.00017.84
8.2.90.0060.00319.16
8.2.80.0060.00317.97
8.2.70.0050.00317.38
8.2.60.0050.00217.68
8.2.50.0060.00318.07
8.2.40.0000.00819.25
8.2.30.0050.00320.65
8.2.20.0040.00417.62
8.2.10.0070.00018.00
8.2.00.0000.00717.93
8.1.280.0120.00325.92
8.1.270.0030.00723.96
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00321.18
8.1.230.0030.00917.42
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00717.13
8.1.190.0030.00617.10
8.1.180.0050.00318.10
8.1.170.0000.00818.67
8.1.160.0040.00421.96
8.1.150.0000.00718.62
8.1.140.0040.00419.46
8.1.130.0030.00317.50
8.1.120.0000.00717.34
8.1.110.0000.00717.34
8.1.100.0070.00017.39
8.1.90.0000.00817.29
8.1.80.0050.00217.36
8.1.70.0030.00317.23
8.1.60.0000.00717.48
8.1.50.0050.00317.45
8.1.40.0090.00017.36
8.1.30.0030.00517.48
8.1.20.0040.00417.59
8.1.10.0030.00517.41
8.1.00.0070.00017.35
8.0.300.0040.00418.77
8.0.290.0030.00516.58
8.0.280.0030.00318.23
8.0.270.0040.00317.14
8.0.260.0030.00317.15
8.0.250.0000.00716.87
8.0.240.0000.00716.71
8.0.230.0000.01016.83
8.0.220.0030.00316.82
8.0.210.0040.00416.77
8.0.200.0000.00716.70
8.0.190.0040.00716.71
8.0.180.0000.00716.71
8.0.170.0000.00816.82
8.0.160.0050.00316.81
8.0.150.0030.00816.76
8.0.140.0070.00316.75
8.0.130.0030.00513.21
8.0.120.0050.00316.74
8.0.110.0070.00016.82
8.0.100.0040.00416.59
8.0.90.0040.00316.66
8.0.80.0080.00616.79
8.0.70.0080.00016.80
8.0.60.0070.00016.72
8.0.50.0040.00416.76
8.0.30.0110.00816.78
8.0.20.0080.01217.40
8.0.10.0030.00416.85
8.0.00.0110.00616.57
7.4.330.0000.00516.74
7.4.320.0000.00616.36
7.4.300.0000.00716.54
7.4.290.0050.00316.43
7.4.280.0000.00716.44
7.4.270.0070.00016.55
7.4.260.0070.00016.48
7.4.250.0030.00316.30
7.4.240.0040.00416.48
7.4.230.0040.00416.44
7.4.220.0140.00816.47
7.4.210.0070.00716.50
7.4.200.0040.00416.64
7.4.160.0060.00916.52
7.4.150.0150.00617.40
7.4.140.0130.00517.86
7.4.130.0070.01316.46
7.4.120.0090.00816.38
7.4.110.0060.01216.36
7.4.100.0090.00916.41
7.4.90.0140.00316.70
7.4.80.0130.00319.39
7.4.70.0070.01016.67
7.4.60.0100.00616.52
7.4.50.0040.00916.31
7.4.40.0100.00616.31
7.4.30.0120.00416.56
7.4.00.0080.00814.72
7.3.330.0000.00613.24
7.3.320.0030.00313.30
7.3.310.0030.00316.28
7.3.300.0030.00316.11
7.3.290.0080.00816.22
7.3.280.0050.01116.20
7.3.270.0030.01317.40
7.3.260.0120.00616.37
7.3.250.0070.01216.24
7.3.240.0110.00916.23
7.3.230.0180.00016.41
7.3.210.0080.00816.39
7.3.200.0090.01316.33
7.3.190.0150.00416.32
7.3.180.0100.00716.47
7.3.170.0090.00916.52
7.3.160.0040.01216.42
7.3.120.0060.01214.50
7.3.110.0080.00414.55
7.3.100.0090.00314.71
7.3.90.0000.01214.77
7.3.80.0060.00614.63
7.3.70.0030.00914.57
7.3.60.0120.00314.55
7.3.50.0070.01114.31
7.3.40.0030.01314.33
7.3.30.0060.00614.68
7.3.20.0000.01416.62
7.3.10.0060.00816.69
7.3.00.0040.00916.65
7.2.330.0140.00416.30
7.2.320.0090.00916.48
7.2.310.0100.01316.53
7.2.300.0140.00316.34
7.2.290.0000.02016.43
7.2.250.0110.00714.90
7.2.240.0070.01414.57
7.2.230.0060.00914.76
7.2.220.0030.01014.80
7.2.210.0030.01715.04
7.2.200.0040.01515.02
7.2.190.0030.01214.47
7.2.180.0100.00715.04
7.2.170.0060.00914.31
7.2.130.0060.00316.65
7.2.120.0060.00916.48
7.2.110.0030.00916.50
7.2.100.0070.00416.78
7.2.90.0060.00716.51
7.2.80.0100.00316.84
7.2.70.0100.01016.69
7.2.60.0010.00916.68
7.2.50.0060.00316.83
7.2.40.0090.00316.55
7.2.30.0000.01316.68
7.2.20.0030.00716.87
7.2.10.0070.00716.69
7.2.00.0070.00517.93
7.1.330.0060.01015.78
7.1.320.0090.00915.51
7.1.310.0040.01115.68
7.1.300.0060.00915.61
7.1.290.0030.01015.68
7.1.280.0070.01015.84
7.1.270.0050.00615.67
7.1.260.0000.01515.65
7.1.250.0060.00315.83
7.1.200.0110.00015.71
7.1.100.0090.00318.06
7.1.70.0020.00517.20
7.1.60.0110.01119.12
7.1.50.0000.01116.86
7.1.00.0100.06722.35
7.0.200.0070.00016.56
7.0.60.0000.06719.93
7.0.50.0200.07317.94
7.0.40.0170.07720.11
7.0.30.0270.07020.30
7.0.20.0300.07020.09
7.0.10.0030.07320.25
7.0.00.0070.06320.23
5.6.280.0030.05321.08
5.6.210.0030.04020.70
5.6.200.0030.04018.12
5.6.190.0100.08720.56
5.6.180.0470.07020.50
5.6.170.0300.03720.47
5.6.160.0130.07320.46
5.6.150.0030.04318.19
5.6.140.0070.08318.15
5.6.130.0070.07718.14
5.6.120.0100.03320.90
5.6.110.0030.04320.89
5.6.100.0070.05720.89
5.6.90.0100.08020.96
5.6.80.0070.08320.39
5.5.350.4430.03020.33
5.5.340.0000.08018.09
5.5.330.0070.07720.27
5.5.320.0030.06020.36
5.5.310.0430.06320.37
5.5.300.0100.03317.95
5.5.290.0070.08017.98
5.5.280.0030.07720.85
5.5.270.0170.03020.95
5.5.260.0030.08720.73
5.5.250.0030.04720.58
5.5.240.0270.02720.23
5.4.450.0300.06019.37
5.4.440.0270.06019.16
5.4.430.1070.05019.52
5.4.420.0900.06319.57
5.4.410.0970.05719.39
5.4.400.1070.04719.05
5.4.390.0930.07019.19
5.4.380.0900.04719.23
5.4.370.0770.05719.04
5.4.360.0870.05019.19
5.4.350.0800.05319.27
5.4.340.0800.05019.20
5.4.320.1100.05019.04
5.4.310.0670.06019.07
5.4.300.1000.05019.05
5.4.290.0930.06019.03
5.4.280.0930.06319.23
5.4.270.0930.04319.15
5.4.260.0800.05019.23
5.4.250.0870.06019.07
5.4.240.0730.05718.83
5.4.230.0700.06018.82
5.4.220.0900.04019.07
5.4.210.0730.05719.20
5.4.200.0800.05019.04
5.4.190.1130.04319.03
5.4.180.1070.06319.04
5.4.170.1000.05319.22
5.4.160.1000.05019.02
5.4.150.1130.05018.97
5.4.140.0970.05316.61
5.4.130.0770.05016.50
5.4.120.0930.05316.44
5.4.110.0900.06016.60
5.4.100.1100.03716.50
5.4.90.0970.05016.63
5.4.80.0970.05016.46
5.4.70.1100.04016.60
5.4.60.1070.04316.24
5.4.50.0970.05016.50
5.4.40.1030.04716.52
5.4.30.1030.05016.34
5.4.20.0970.05316.42
5.4.10.0770.05016.51
5.4.00.1070.04715.75
5.3.290.0700.06014.57
5.3.280.0670.06014.54
5.3.270.1070.04714.63
5.3.260.1030.05014.61
5.3.250.1030.05014.70
5.3.240.0900.05714.54
5.3.230.0970.06014.59
5.3.220.1000.05014.41
5.3.210.1070.04714.41
5.3.200.1170.03714.52
5.3.190.1030.05014.53
5.3.180.1000.05014.46
5.3.170.0800.05314.58
5.3.160.1000.05014.51
5.3.150.1070.06714.57
5.3.140.0870.04714.55
5.3.130.0700.06014.57
5.3.120.1000.05714.70
5.3.110.1070.05014.54
5.3.100.1070.04713.95
5.3.90.0970.05313.87
5.3.80.1000.05014.00
5.3.70.1070.04014.11
5.3.60.0900.04013.96
5.3.50.0770.05013.80
5.3.40.0830.04313.84
5.3.30.0800.04713.85
5.3.20.0770.05713.64
5.3.10.0870.04013.58
5.3.00.0800.05313.52
5.2.170.0600.04311.09
5.2.160.0730.04311.00
5.2.150.0630.04010.99
5.2.140.0770.04710.98
5.2.130.0600.04311.26
5.2.120.0600.04311.20
5.2.110.0670.03711.19
5.2.100.0730.04011.05
5.2.90.0700.03311.12
5.2.80.0530.05711.12
5.2.70.0700.03310.95
5.2.60.0600.04311.07
5.2.50.0900.04711.04
5.2.40.0530.03711.09
5.2.30.0570.05710.95
5.2.20.0500.04310.98
5.2.10.0470.04310.71
5.2.00.0470.04310.66
5.1.60.0500.0339.98
5.1.50.0430.0409.92
5.1.40.0500.0339.93
5.1.30.0470.03710.31
5.1.20.0470.03710.34
5.1.10.0670.03310.15
5.1.00.0700.0309.91
5.0.50.0330.0278.45
5.0.40.0270.0278.36
5.0.30.0300.0578.08
5.0.20.0300.0308.38
5.0.10.0270.0278.13
5.0.00.0330.0478.00
4.4.90.0270.0206.55
4.4.80.0270.0206.55
4.4.70.0270.0236.55
4.4.60.0270.0206.55
4.4.50.0300.0176.55
4.4.40.0270.0336.55
4.4.30.0300.0176.55
4.4.20.0270.0206.55
4.4.10.0300.0236.55
4.4.00.0330.0336.55
4.3.110.0270.0206.55
4.3.100.0370.0236.55
4.3.90.0300.0276.55
4.3.80.0270.0306.55
4.3.70.0230.0236.55
4.3.60.0270.0206.55
4.3.50.0230.0236.55
4.3.40.0230.0336.55
4.3.30.0100.0236.55
4.3.20.0100.0236.55
4.3.10.0100.0236.55
4.3.00.0100.0236.55

preferences:
50.76 ms | 401 KiB | 5 Q