3v4l.org

run code in 300+ PHP versions simultaneously
<?php function xyz($x) {} $r = new ReflectionFunction('xyz'); var_export($r->getParameters()[0]->allowsNull());

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)
8.3.60.0170.00018.27
8.3.50.0170.00222.94
8.3.40.0070.00718.80
8.3.30.0070.00718.90
8.3.20.0190.00020.34
8.3.10.0000.00823.61
8.3.00.0050.00317.50
8.2.180.0110.01116.63
8.2.170.0120.00322.96
8.2.160.0070.01020.28
8.2.150.0040.00424.18
8.2.140.0140.00024.66
8.2.130.0070.00726.16
8.2.120.0090.00920.93
8.2.110.0030.00620.35
8.2.100.0070.00417.55
8.2.90.0000.00819.21
8.2.80.0060.00317.97
8.2.70.0060.00317.63
8.2.60.0040.00418.04
8.2.50.0060.00318.07
8.2.40.0000.00918.22
8.2.30.0090.00017.98
8.2.20.0040.00417.62
8.2.10.0070.00018.06
8.2.00.0040.00417.67
8.1.280.0070.01125.92
8.1.270.0060.00323.88
8.1.260.0030.00526.35
8.1.250.0070.00028.09
8.1.240.0060.00322.08
8.1.230.0090.00320.85
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0060.00317.34
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0090.00020.44
8.1.160.0040.00418.70
8.1.150.0000.00718.82
8.1.140.0080.00017.39
8.1.130.0000.00717.81
8.1.120.0070.00017.45
8.1.110.0000.00817.29
8.1.100.0040.00417.23
8.1.90.0070.00017.36
8.1.80.0070.00017.30
8.1.70.0040.00417.27
8.1.60.0040.00417.48
8.1.50.0000.00817.52
8.1.40.0000.00717.48
8.1.30.0040.00417.56
8.1.20.0080.00017.55
8.1.10.0040.00417.40
8.1.00.0000.00717.39
8.0.300.0040.00418.77
8.0.290.0000.01116.58
8.0.280.0030.00318.38
8.0.270.0000.00817.30
8.0.260.0030.00317.10
8.0.250.0030.00316.78
8.0.240.0000.00816.91
8.0.230.0050.00316.84
8.0.220.0000.00716.83
8.0.210.0070.00016.81
8.0.200.0030.00316.85
8.0.190.0000.00716.84
8.0.180.0070.00016.86
8.0.170.0040.00416.87
8.0.160.0070.00016.81
8.0.150.0070.00316.75
8.0.140.0040.00416.82
8.0.130.0000.00613.23
8.0.120.0030.00516.80
8.0.110.0000.00816.84
8.0.100.0040.00416.87
8.0.90.0070.00016.70
8.0.80.0070.01416.81
8.0.70.0030.00516.78
8.0.60.0000.00716.73
8.0.50.0000.00716.79
8.0.30.0120.01017.02
8.0.20.0140.01017.40
8.0.10.0040.00416.96
8.0.00.0070.01016.71
7.4.330.0060.00015.00
7.4.320.0030.00316.43
7.4.300.0000.00716.60
7.4.290.0000.00716.42
7.4.280.0000.00716.48
7.4.270.0080.00016.44
7.4.260.0000.00716.52
7.4.250.0000.00816.45
7.4.240.0050.00216.57
7.4.230.0040.00316.36
7.4.220.0160.00916.49
7.4.210.0140.00016.42
7.4.200.0030.00316.44
7.4.160.0130.00316.40
7.4.150.0180.00017.40
7.4.140.0120.01017.86
7.4.130.0100.00716.54
7.4.120.0110.00716.52
7.4.110.0110.00716.32
7.4.100.0170.00016.52
7.4.90.0140.00316.45
7.4.80.0080.00819.39
7.4.70.0040.01316.50
7.4.60.0170.00016.41
7.4.50.0000.00416.10
7.4.40.0100.00616.34
7.4.30.0160.00016.45
7.4.00.0100.00714.92
7.3.330.0050.00313.10
7.3.320.0060.00013.04
7.3.310.0040.00416.09
7.3.300.0060.00016.11
7.3.290.0100.01016.24
7.3.280.0060.01016.16
7.3.270.0100.01417.40
7.3.260.0120.00616.26
7.3.250.0030.01616.35
7.3.240.0060.01016.44
7.3.230.0080.00816.39
7.3.210.0030.01416.49
7.3.200.0060.00919.39
7.3.190.0120.00816.13
7.3.180.0090.00616.16
7.3.170.0110.00416.64
7.3.160.0060.01016.50
7.3.120.0070.01314.46
7.3.110.0040.01514.94
7.3.100.0100.00014.74
7.3.90.0120.00314.70
7.3.80.0000.01514.79
7.3.70.0130.00314.65
7.3.60.0100.00614.59
7.3.50.0060.00614.45
7.3.40.0110.00414.54
7.3.30.0030.00714.50
7.3.20.0110.00716.58
7.3.10.0070.00916.27
7.3.00.0110.00616.34
7.2.330.0100.01716.64
7.2.320.0100.01016.66
7.2.310.0030.01316.73
7.2.300.0040.01216.64
7.2.290.0120.00616.55
7.2.250.0060.01214.91
7.2.240.0000.02115.17
7.2.230.0030.01315.02
7.2.220.0120.00314.78
7.2.210.0060.00914.41
7.2.200.0070.00714.85
7.2.190.0090.00614.72
7.2.180.0030.01314.87
7.2.170.0030.00914.91
7.2.130.0140.00816.41
7.2.120.0160.01016.50
7.2.110.0050.00916.48
7.2.100.0110.00616.63
7.2.90.0130.00916.58
7.2.80.0160.00716.52
7.2.70.0160.01116.61
7.2.60.0150.00416.39
7.2.50.0100.00816.45
7.2.40.0130.00816.28
7.2.30.0160.00616.67
7.2.20.0080.01116.40
7.2.10.0120.01016.36
7.2.00.0120.00617.57
7.1.330.0070.00716.00
7.1.320.0060.00615.91
7.1.310.0000.01815.45
7.1.300.0000.01415.71
7.1.290.0030.01415.66
7.1.280.0040.00715.62
7.1.270.0070.01015.74
7.1.260.0100.00315.78
7.1.250.0130.00515.49
7.1.100.0030.00618.21
7.1.70.0050.00216.80
7.1.60.0040.01819.40
7.1.50.0100.01016.84
7.1.00.0030.07722.45
7.0.200.0000.00716.57
7.0.140.0000.07721.92
7.0.60.0070.08019.91
7.0.50.0100.07017.84
7.0.40.0170.07720.25
7.0.30.0570.06720.30
7.0.20.0170.04020.25
7.0.10.0070.06320.09
7.0.00.0030.04320.29
5.6.280.0100.06721.04
5.6.210.0100.07720.73
5.6.200.0070.08018.19
5.6.190.0100.04320.61
5.6.180.0230.07720.48
5.6.170.0300.06020.46
5.6.160.0100.07320.61
5.6.150.0170.06718.28
5.6.140.0070.07018.17
5.6.130.0070.03718.15
5.6.120.0170.06721.00
5.6.110.0170.07321.14
5.6.100.0030.08720.96
5.6.90.0030.04021.00
5.6.80.0130.07320.38
5.5.350.0070.06720.32
5.5.340.0070.06718.05
5.5.330.0170.04320.40
5.5.320.0370.07320.24
5.5.310.0270.05720.20
5.5.300.0100.08018.08
5.5.290.0100.08318.01
5.5.280.0070.07720.68
5.5.270.0030.04020.92
5.5.260.0100.08320.79
5.5.250.0030.06320.46
5.5.240.0230.06320.27
5.4.450.0200.04319.41
5.4.440.0300.05019.31
5.4.430.0300.05019.49
5.4.420.0200.04319.64
5.4.410.0470.04019.35
5.4.400.0300.04319.14
5.4.390.0330.02319.09
5.4.380.0130.05718.83
5.4.370.0270.06318.75
5.4.360.0170.05318.59
5.4.350.0170.05018.47
5.4.340.0170.05018.50
5.4.320.0020.04012.50
5.4.310.0070.04512.50
5.4.300.0040.03712.50
5.4.290.0040.04112.50
5.4.280.0050.04212.39
5.4.270.0040.03712.39
5.4.260.0090.04212.39
5.4.250.0070.03712.39
5.4.240.0060.03612.40
5.4.230.0050.04712.38
5.4.220.0030.03712.39
5.4.210.0040.03612.39
5.4.200.0090.03712.38
5.4.190.0070.03812.39
5.4.180.0080.03412.38
5.4.170.0070.03412.39
5.4.160.0060.03412.39
5.4.150.0060.03512.38
5.4.140.0040.03812.07
5.4.130.0050.03712.05
5.4.120.0040.04512.01
5.4.110.0040.03612.01
5.4.100.0070.03312.01
5.4.90.0080.03412.01
5.4.80.0070.03612.01
5.4.70.0060.03412.00
5.4.60.0050.03512.01
5.4.50.0060.03712.00
5.4.40.0020.03611.99
5.4.30.0050.03511.99
5.4.20.0050.03511.99
5.4.10.0040.03611.99
5.4.00.0040.03711.48
5.3.290.0040.04512.80
5.3.280.0090.03712.71
5.3.270.0050.04012.73
5.3.260.0060.04012.72
5.3.250.0090.03612.72
5.3.240.0060.04012.71
5.3.230.0080.03612.71
5.3.220.0050.03812.68
5.3.210.0050.04112.68
5.3.200.0060.03712.68
5.3.190.0060.03812.68
5.3.180.0060.03612.67
5.3.170.0050.03612.67
5.3.160.0040.03812.67
5.3.150.0050.03612.68
5.3.140.0010.04012.66
5.3.130.0050.04012.66
5.3.120.0080.04512.66
5.3.110.0090.04312.66
5.3.100.0060.03912.12
5.3.90.0030.03912.11
5.3.80.0060.03512.09
5.3.70.0050.03612.09
5.3.60.0060.03712.08
5.3.50.0040.03712.02
5.3.40.0070.03412.02
5.3.30.0050.03511.98
5.3.20.0020.03911.77
5.3.10.0030.03811.73
5.3.00.0020.03911.72
5.2.170.0040.0319.22
5.2.160.0070.0279.22
5.2.150.0050.0309.22
5.2.140.0020.0359.21
5.2.130.0050.0339.18
5.2.120.0080.0249.18
5.2.110.0050.0289.18
5.2.100.0030.0339.18
5.2.90.0060.0279.18
5.2.80.0090.0259.17
5.2.70.0020.0339.17
5.2.60.0050.0299.13
5.2.50.0040.0309.09
5.2.40.0070.0279.07
5.2.30.0050.0329.04
5.2.20.0070.0269.04
5.2.10.0000.0328.95
5.2.00.0070.0268.80
5.1.60.0080.0198.09
5.1.50.0040.0308.08
5.1.40.0050.0238.06
5.1.30.0050.0258.41
5.1.20.0050.0268.43
5.1.10.0020.0288.16
5.1.00.0050.0258.16
5.0.50.0040.0236.64
5.0.40.0010.0226.50
5.0.30.0040.0306.31
5.0.20.0020.0206.28
5.0.10.0020.0216.25
5.0.00.0040.0296.25
4.4.90.0030.0144.78
4.4.80.0020.0154.75
4.4.70.0020.0154.75
4.4.60.0040.0134.76
4.4.50.0020.0154.77
4.4.40.0030.0244.71
4.4.30.0010.0174.76
4.4.20.0010.0194.85
4.4.10.0050.0124.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0030.0144.66
4.3.90.0020.0154.63
4.3.80.0030.0234.58
4.3.70.0030.0144.63
4.3.60.0010.0164.63
4.3.50.0050.0194.63
4.3.40.0030.0244.54
4.3.30.0010.0213.30
4.3.20.0020.0213.28
4.3.10.0020.0163.23
4.3.00.0030.02016.02

preferences:
50.18 ms | 401 KiB | 5 Q