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run code in 300+ PHP versions simultaneously
<?php namespace Dog\Bark { class test { }}namespace Cat { use Dog\Bark; class test2 { public function __construct() { new Bark\test(); } }}namespace Fish { $x = new \Cat\test2();}

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)
8.3.60.0090.00618.20
8.3.50.0100.00822.81
8.3.40.0130.00318.34
8.3.30.0060.01318.97
8.3.20.0040.00420.24
8.3.10.0090.00023.47
8.3.00.0000.00817.25
8.2.180.0100.01016.72
8.2.170.0090.00922.96
8.2.160.0110.00420.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00020.98
8.2.110.0030.00621.12
8.2.100.0000.01117.60
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0060.00317.68
8.2.50.0040.00418.07
8.2.40.0040.00418.03
8.2.30.0040.00417.92
8.2.20.0030.00717.53
8.2.10.0030.00518.05
8.2.00.0040.00417.59
8.1.280.0070.01025.92
8.1.270.0000.00823.84
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0150.00619.30
8.1.230.0090.00318.98
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0050.00517.23
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0000.00818.50
8.1.160.0040.00421.81
8.1.150.0040.00418.85
8.1.140.0040.00417.31
8.1.130.0070.00017.87
8.1.120.0000.00817.36
8.1.110.0000.00917.33
8.1.100.0040.00417.43
8.1.90.0000.00717.25
8.1.80.0040.00417.30
8.1.70.0000.00717.33
8.1.60.0060.00317.46
8.1.50.0000.00817.49
8.1.40.0080.00017.48
8.1.30.0000.00817.58
8.1.20.0040.00417.48
8.1.10.0000.00817.56
8.1.00.0080.00017.48
8.0.300.0070.00018.77
8.0.290.0020.00516.63
8.0.280.0030.00318.42
8.0.270.0040.00417.09
8.0.260.0030.00317.27
8.0.250.0000.00716.83
8.0.240.0000.00616.86
8.0.230.0000.00716.88
8.0.220.0070.00016.75
8.0.210.0030.00316.79
8.0.200.0060.00016.88
8.0.190.0040.00416.84
8.0.180.0100.00016.88
8.0.170.0040.00416.84
8.0.160.0000.00716.73
8.0.150.0030.00316.81
8.0.140.0000.00816.77
8.0.130.0070.00013.23
8.0.120.0050.00216.75
8.0.110.0000.00716.80
8.0.100.0000.00816.80
8.0.90.0050.00316.86
8.0.80.0000.01616.82
8.0.70.0000.00816.85
8.0.60.0070.00016.77
8.0.50.0040.00416.80
8.0.30.0100.01017.02
8.0.20.0140.00517.40
8.0.10.0070.00016.87
8.0.00.0130.00716.82
7.4.330.0000.00515.00
7.4.320.0060.00016.50
7.4.300.0070.00016.63
7.4.290.0000.00716.48
7.4.280.0070.00016.57
7.4.270.0080.00016.53
7.4.260.0080.00016.61
7.4.250.0000.00716.48
7.4.240.0020.00516.42
7.4.230.0000.00716.38
7.4.220.0070.01016.43
7.4.210.0090.00616.45
7.4.200.0080.00016.66
7.4.160.0130.00716.32
7.4.150.0090.00917.40
7.4.140.0070.01017.86
7.4.130.0090.00716.32
7.4.120.0120.00616.56
7.4.110.0130.00316.49
7.4.100.0100.00716.58
7.4.90.0100.00716.36
7.4.80.0100.01019.39
7.4.70.0130.00316.49
7.4.60.0000.01716.38
7.4.50.0000.00716.38
7.4.40.0160.00616.42
7.4.30.0090.00916.43
7.4.00.0000.01514.70
7.3.330.0050.00013.16
7.3.320.0020.00213.30
7.3.310.0040.00416.21
7.3.300.0030.00316.09
7.3.290.0140.00616.24
7.3.280.0040.01116.21
7.3.270.0080.01117.40
7.3.260.0060.01216.13
7.3.250.0080.00916.26
7.3.240.0130.00316.41
7.3.230.0100.01016.39
7.3.210.0130.00316.15
7.3.200.0060.01519.39
7.3.190.0100.00716.29
7.3.180.0080.00816.21
7.3.170.0060.00916.27
7.3.160.0090.00616.16
7.2.330.0130.00416.62
7.2.320.0070.01116.57
7.2.310.0070.01716.72
7.2.300.0120.01016.29
7.2.290.0140.00416.36
7.2.00.0110.00719.29
7.1.100.0000.01617.83
7.1.70.0030.00616.74
7.1.60.0090.01319.40
7.1.50.0120.01216.86
7.1.00.0030.07322.43
7.0.200.0000.00716.61
7.0.140.0000.07722.09
7.0.60.0100.08320.01
7.0.50.0030.06017.78
7.0.40.0070.05020.10
7.0.30.0300.07320.25
7.0.20.0300.07320.15
7.0.10.0030.08720.30
7.0.00.0130.04720.24
5.6.280.0070.07021.05
5.6.210.0030.09020.71
5.6.200.0130.04718.15
5.6.190.0170.08020.58
5.6.180.0330.06320.63
5.6.170.0230.03720.58
5.6.160.0070.08320.51
5.6.150.0030.07018.27
5.6.140.0070.03318.14
5.6.130.0200.07018.18
5.6.120.0100.04321.00
5.6.110.0100.03721.03
5.6.100.0100.04021.11
5.6.90.0100.08321.00
5.6.80.0100.07020.51
5.5.350.0330.06720.33
5.5.340.0030.05317.99
5.5.330.0070.08320.27
5.5.320.0200.08320.34
5.5.310.0200.04020.35
5.5.300.0170.07718.09
5.5.290.0030.04317.97
5.5.280.0070.04020.78
5.5.270.0070.05320.79
5.5.260.0100.08720.77
5.5.250.0030.04320.59
5.5.240.0030.08020.16
5.4.450.0830.05019.17
5.4.440.0570.05319.32
5.4.430.0670.05719.54
5.4.420.0670.05719.44
5.4.410.0600.05319.54
5.4.400.0300.05018.77
5.4.390.0500.04718.80
5.4.380.0200.05318.75
5.4.370.0130.03018.74
5.4.360.0100.04318.68
5.4.350.0050.03712.02
5.4.340.0090.03512.01
5.4.320.0070.03312.50
5.4.310.0050.04112.50
5.4.300.0080.04512.50
5.4.290.0110.03812.49
5.4.280.0030.04012.39
5.4.270.0060.03612.39
5.4.260.0060.03812.40
5.4.250.0050.03812.39
5.4.240.0030.05112.39
5.4.230.0040.04112.39
5.4.220.0050.03612.38
5.4.210.0060.03512.39
5.4.200.0030.04412.39
5.4.190.0040.03712.39
5.4.180.0020.04112.38
5.4.170.0050.03512.39
5.4.160.0050.03612.39
5.4.150.0080.04212.38
5.4.140.0090.03412.07
5.4.130.0040.04312.06
5.4.120.0050.03512.02
5.4.110.0120.03012.01
5.4.100.0060.03612.01
5.4.90.0040.03812.02
5.4.80.0050.03612.02
5.4.70.0070.03312.01
5.4.60.0080.03212.01
5.4.50.0040.03612.01
5.4.40.0040.03612.00
5.4.30.0010.04011.99
5.4.20.0100.03111.99
5.4.10.0030.04011.99
5.4.00.0060.03611.48
5.3.290.0070.03812.80
5.3.280.0060.04112.71
5.3.270.0100.03812.73
5.3.260.0080.03912.72
5.3.250.0070.04212.72
5.3.240.0060.03612.72
5.3.230.0090.04412.71
5.3.220.0080.04012.68
5.3.210.0050.03912.68
5.3.200.0070.03512.68
5.3.190.0060.03812.67
5.3.180.0050.03712.68
5.3.170.0070.03812.67
5.3.160.0040.03712.68
5.3.150.0050.03712.68
5.3.140.0070.03612.66
5.3.130.0060.04012.66
5.3.120.0030.04212.66
5.3.110.0080.03612.66
5.3.100.0050.03612.13
5.3.90.0070.03612.11
5.3.80.0050.03712.10
5.3.70.0060.03512.10
5.3.60.0080.03312.08
5.3.50.0060.04112.03
5.3.40.0040.04212.03
5.3.30.0050.03612.00
5.3.20.0050.03611.77
5.3.10.0060.03311.74
5.3.00.0080.03211.72
5.2.170.0070.0279.18
5.2.160.0100.0259.18
5.2.150.0080.0359.18
5.2.140.0080.0309.18
5.2.130.0050.0289.14
5.2.120.0050.0409.13
5.2.110.0080.0259.15
5.2.100.0030.0299.14
5.2.90.0050.0289.14
5.2.80.0050.0299.14
5.2.70.0100.0259.14
5.2.60.0060.0329.09
5.2.50.0050.0299.06
5.2.40.0090.0259.04
5.2.30.0060.0319.02
5.2.20.0060.0289.00
5.2.10.0020.0308.92
5.2.00.0040.0298.78
5.1.60.0060.0218.07
5.1.50.0040.0258.06
5.1.40.0010.0278.05
5.1.30.0040.0258.39
5.1.20.0060.0248.42
5.1.10.0060.0238.14
5.1.00.0050.0248.14
5.0.50.0060.0216.62
5.0.40.0030.0226.47
5.0.30.0030.0326.29
5.0.20.0040.0236.27
5.0.10.0020.0206.24
5.0.00.0030.0306.23
4.4.90.0020.0164.78
4.4.80.0020.0264.75
4.4.70.0020.0164.76
4.4.60.0030.0154.75
4.4.50.0020.0164.77
4.4.40.0020.0254.71
4.4.30.0030.0154.76
4.4.20.0040.0144.85
4.4.10.0030.0154.85
4.4.00.0030.0254.76
4.3.110.0040.0154.67
4.3.100.0040.0144.66
4.3.90.0030.0144.64
4.3.80.0030.0234.58
4.3.70.0040.0144.63
4.3.60.0000.0174.62
4.3.50.0020.0174.63
4.3.40.0030.0234.54
4.3.30.0030.0153.29
4.3.20.0020.0153.26
4.3.10.0040.0163.22
4.3.00.0130.0277.11

preferences:
43.94 ms | 401 KiB | 5 Q