3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test(int $x = null) { var_dump($x); } test();

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)
8.3.60.0030.01218.18
8.3.50.0140.00521.27
8.3.40.0140.00018.54
8.3.30.0040.01118.35
8.3.20.0040.00420.30
8.3.10.0040.00421.80
8.3.00.0040.00423.45
8.2.180.0040.01416.38
8.2.170.0100.00722.96
8.2.160.0100.00720.32
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00420.57
8.2.120.0080.00026.35
8.2.110.0060.00319.34
8.2.100.0080.00417.80
8.2.90.0050.00318.96
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0050.00317.68
8.2.50.0030.00518.09
8.2.40.0080.00022.24
8.2.30.0040.00419.40
8.2.20.0000.00717.61
8.2.10.0060.00317.97
8.2.00.0020.00517.98
8.1.280.0110.00425.92
8.1.270.0090.00922.11
8.1.260.0050.00528.09
8.1.250.0080.00028.09
8.1.240.0090.00022.53
8.1.230.0090.00317.42
8.1.220.0090.00017.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0000.00818.61
8.1.160.0000.00720.62
8.1.150.0070.00018.63
8.1.140.0000.00819.49
8.1.130.0000.00717.64
8.1.120.0000.00817.24
8.1.110.0040.00417.20
8.1.100.0040.00417.27
8.1.90.0040.00417.21
8.1.80.0000.00717.20
8.1.70.0000.00717.35
8.1.60.0080.00017.51
8.1.50.0000.00817.34
8.1.40.0060.00617.34
8.1.30.0000.00817.61
8.1.20.0030.00617.48
8.1.10.0000.00717.36
8.1.00.0060.00317.31
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00818.36
8.0.270.0030.00317.14
8.0.260.0030.00317.08
8.0.250.0070.00016.83
8.0.240.0030.00616.80
8.0.230.0000.00716.73
8.0.220.0000.00716.64
8.0.210.0040.00416.64
8.0.200.0000.00616.81
8.0.190.0000.01116.79
8.0.180.0080.00016.75
8.0.170.0000.00716.78
8.0.160.0030.00316.71
8.0.150.0000.01016.68
8.0.140.0070.00016.62
8.0.130.0030.00313.14
8.0.120.0040.00416.68
8.0.110.0070.00016.77
8.0.100.0030.00316.62
8.0.90.0040.00416.75
8.0.80.0070.01116.79
8.0.70.0040.00416.80
8.0.60.0040.00416.73
8.0.50.0000.00716.82
8.0.30.0070.01217.10
8.0.20.0080.01017.40
8.0.10.0040.00416.83
8.0.00.0080.00816.70
7.4.330.0050.00016.70
7.4.320.0070.00016.38
7.4.300.0000.00816.44
7.4.290.0000.00816.41
7.4.280.0000.00816.34
7.4.270.0040.00416.54
7.4.260.0000.00716.40
7.4.250.0040.00416.48
7.4.240.0080.00016.43
7.4.230.0030.00316.46
7.4.220.0120.01516.46
7.4.210.0050.01116.46
7.4.200.0020.00516.36
7.4.160.0120.00316.39
7.4.150.0110.00517.40
7.4.140.0050.01317.86
7.4.130.0120.00816.42
7.4.120.0150.00616.34
7.4.110.0100.00616.59
7.4.100.0090.00916.32
7.4.90.0120.00316.40
7.4.80.0100.01019.39
7.4.70.0070.01116.30
7.4.60.0070.01016.33
7.4.50.0090.00616.22
7.4.40.0030.01416.50
7.4.30.0160.00616.53
7.4.00.0040.00814.88
7.3.330.0040.00413.23
7.3.320.0000.00513.05
7.3.310.0070.00016.22
7.3.300.0000.00716.23
7.3.290.0000.00716.27
7.3.280.0110.01016.20
7.3.270.0070.01017.40
7.3.260.0070.01016.24
7.3.250.0080.00916.23
7.3.240.0090.01216.38
7.3.230.0030.01416.39
7.3.210.0060.01016.33
7.3.200.0110.00719.39
7.3.190.0030.01316.17
7.3.180.0090.00616.53
7.3.170.0120.00416.10
7.3.160.0040.01216.53
7.2.330.0140.00316.52
7.2.320.0100.00716.36
7.2.310.0030.01316.41
7.2.300.0030.01816.40
7.2.290.0100.00716.45
7.2.60.0040.00416.67
7.2.00.0110.00718.98
7.1.200.0060.00615.81
7.1.100.0030.00717.88
7.1.70.0000.00717.11
7.1.60.0090.01519.40
7.1.50.0100.01317.04
7.1.00.0070.07322.33
7.0.200.0040.00416.46
7.0.60.0100.07321.76
7.0.50.0100.07017.96
7.0.40.0130.07720.20
7.0.30.0200.04020.23
7.0.20.0330.08320.11
7.0.10.0070.08020.30
7.0.00.0130.04320.01
5.6.280.0070.03320.82
5.6.210.0130.06020.63
5.6.200.0070.03718.23
5.6.190.0270.03020.52
5.6.180.0300.07320.55
5.6.170.0200.04020.44
5.6.160.0070.08320.45
5.6.150.0030.08318.23
5.6.140.0130.05018.19
5.6.130.0100.08318.14
5.6.120.0170.05020.99
5.6.110.0130.08020.99
5.6.100.0130.07321.00
5.6.90.0100.07721.04
5.6.80.0130.07320.39
5.5.350.0230.08320.35
5.5.340.0000.04017.92
5.5.330.0030.04320.41
5.5.320.0330.07320.25
5.5.310.0300.06320.24
5.5.300.0070.05017.95
5.5.290.0070.06717.96
5.5.280.0100.08320.84
5.5.270.0030.04320.68
5.5.260.0100.08320.86
5.5.250.0100.07020.61
5.5.240.0100.08720.26

preferences:
53.74 ms | 404 KiB | 6 Q