3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Globock { trait JSON { function json_encode($data) { return 'json_encode mock'; } } } namespace Acme { use Globock\JSON; class Foo { public function hello() { return json_encode([]); } } } namespace Acme\Test { use Acme\Foo; class FooTest { public function helloTest() { $a = new Foo(); echo $a->hello(); } } } namespace { //$a = new Acme\Foo(); //echo $a->hello(); $b = new Acme\Test\FooTest(); $b->helloTest(); }

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)
8.3.40.0060.00918.71
8.3.30.0070.00718.83
8.3.20.0040.00420.35
8.3.10.0040.00423.45
8.3.00.0080.00019.56
8.2.170.0140.00022.96
8.2.160.0030.01020.39
8.2.150.0070.00024.18
8.2.140.0050.00224.66
8.2.130.0070.00026.16
8.2.120.0040.00421.09
8.2.110.0090.00022.29
8.2.100.0110.00017.68
8.2.90.0000.00719.26
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0040.00418.05
8.2.50.0040.00418.07
8.2.40.0000.00818.22
8.2.30.0050.00317.97
8.2.20.0050.00217.73
8.2.10.0000.00717.94
8.2.00.0050.00217.48
8.1.270.0000.00823.91
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0050.00524.02
8.1.230.0070.00419.00
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0060.00317.10
8.1.180.0000.00818.10
8.1.170.0030.00518.59
8.1.160.0030.00621.83
8.1.150.0050.00218.80
8.1.140.0020.00517.30
8.1.130.0000.00717.71
8.1.120.0000.00817.31
8.1.110.0040.00417.26
8.1.100.0040.00417.38
8.1.90.0050.00217.40
8.1.80.0040.00417.42
8.1.70.0030.00317.26
8.1.60.0040.00417.45
8.1.50.0040.00417.50
8.1.40.0000.00817.40
8.1.30.0040.00417.60
8.1.20.0040.00417.55
8.1.10.0030.00617.52
8.1.00.0040.00417.47
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0040.00418.39
8.0.270.0030.00317.10
8.0.260.0030.00317.24
8.0.250.0060.00016.97
8.0.240.0040.00516.91
8.0.230.0080.00316.85
8.0.220.0000.00716.69
8.0.210.0000.00716.84
8.0.200.0070.00016.87
8.0.190.0020.00516.92
8.0.180.0070.00016.84
8.0.170.0020.00516.86
8.0.160.0040.00416.82
8.0.150.0040.00416.77
8.0.140.0070.00016.81
8.0.130.0000.00613.33
8.0.120.0050.00316.68
8.0.110.0040.00416.88
8.0.100.0050.00316.85
8.0.90.0000.00816.69
8.0.80.0060.01016.77
8.0.70.0030.00516.81
8.0.60.0050.00216.81
8.0.50.0070.00016.79
8.0.30.0160.00416.88
8.0.20.0090.01017.40
8.0.10.0000.00716.82
8.0.00.0080.01016.58
7.4.330.0050.00015.03
7.4.320.0000.00616.55
7.4.300.0030.00316.54
7.4.290.0030.00316.48
7.4.280.0000.00816.47
7.4.270.0070.00016.59
7.4.260.0050.00216.40
7.4.250.0040.00416.55
7.4.240.0070.00016.45
7.4.230.0030.00316.67
7.4.220.0070.01116.60
7.4.210.0080.00816.53
7.4.200.0000.00716.59
7.4.160.0100.00616.32
7.4.150.0070.01017.40
7.4.140.0120.00517.86
7.4.130.0100.01016.54
7.4.120.0130.00316.46
7.4.110.0070.01016.38
7.4.100.0110.01116.48
7.4.90.0060.01216.42
7.4.80.0150.00419.39
7.4.70.0030.01316.52
7.4.60.0120.00916.43
7.4.50.0040.00416.29
7.4.40.0040.01216.36
7.4.30.0040.01116.38
7.4.00.0040.00815.03
7.3.330.0020.00313.23
7.3.320.0000.00513.26
7.3.310.0030.00316.13
7.3.300.0000.00716.25
7.3.290.0070.01116.29
7.3.280.0090.00816.22
7.3.270.0120.01517.40
7.3.260.0090.00916.48
7.3.250.0070.01016.39
7.3.240.0130.00716.43
7.3.230.0130.01016.39
7.3.210.0110.00816.21
7.3.200.0170.00619.39
7.3.190.0110.00616.21
7.3.180.0090.00616.53
7.3.170.0090.00816.37
7.3.160.0160.00016.49
7.3.120.0090.00314.64
7.3.10.0050.01015.98
7.3.00.0110.00816.14
7.2.330.0030.01316.57
7.2.320.0100.00616.43
7.2.310.0120.00416.46
7.2.300.0060.01016.79
7.2.290.0080.00816.44
7.2.130.0040.01116.22
7.2.120.0110.00416.48
7.2.110.0070.01116.35
7.2.100.0070.01016.27
7.2.90.0150.00616.35
7.2.80.0040.00716.52
7.2.70.0160.01016.49
7.2.60.0120.01216.55
7.2.50.0200.00316.50
7.2.40.0100.00716.10
7.2.30.0070.01416.87
7.2.20.0130.00316.65
7.2.10.0130.00316.34
7.2.00.0140.00617.80
7.1.250.0090.00314.74
7.1.100.0070.00718.07
7.1.70.0000.00717.03
7.1.60.0170.00319.40
7.1.50.0030.01316.75
7.1.00.0070.06722.50
7.0.200.0040.00416.51
7.0.140.0100.06322.00
7.0.60.0170.07319.86
7.0.50.0030.04017.96
7.0.40.0070.06720.18
7.0.30.0300.06020.16
7.0.20.0230.05720.07
7.0.10.0100.08320.30
7.0.00.0070.05720.12
5.6.280.0030.07020.79
5.6.210.0000.04720.47
5.6.200.0070.06718.17
5.6.190.0070.06020.57
5.6.180.4130.04720.77
5.6.170.0300.07720.54
5.6.160.0100.07320.39
5.6.150.0070.08318.14
5.6.140.0070.05018.15
5.6.130.0030.04018.18
5.6.120.0070.04721.13
5.6.110.0100.08321.14
5.6.100.0070.05721.09
5.6.90.0070.08320.91
5.6.80.0200.05320.29
5.6.70.4300.04020.52
5.5.350.3600.04020.45
5.5.340.0130.05017.93
5.5.330.0100.08320.31
5.5.320.3200.04020.33
5.5.310.0230.04720.24
5.5.300.0070.07018.01
5.5.290.0000.04718.01
5.5.280.0100.06720.78
5.5.270.0100.05020.87
5.5.260.0230.07020.85
5.5.250.0070.07020.70
5.5.240.0200.07720.20
5.4.450.0670.04019.41
5.4.440.1300.04719.45
5.4.430.0570.04019.45
5.4.420.0230.02319.19
5.4.410.0500.03719.27
5.4.400.0330.03719.10
5.4.390.0430.05318.87
5.4.380.0470.04319.06
5.4.370.0570.02718.95
5.4.360.0570.04019.16
5.4.350.0300.04319.22
5.4.340.0270.05719.09
5.4.320.0400.04019.08
5.4.310.0370.04019.09
5.4.300.0370.06019.05
5.4.290.0470.03319.05
5.4.280.0430.04319.05
5.4.270.0300.05018.99
5.4.260.0400.06719.21
5.4.250.0230.04718.99
5.4.240.0130.04019.21
5.4.230.0500.05719.32
5.4.220.0530.04018.86
5.4.210.0230.04719.16
5.4.200.0600.03719.15
5.4.190.0600.03719.30
5.4.180.0230.04318.83
5.4.170.0430.04319.21
5.4.160.0270.03718.96
5.4.150.0430.04318.93
5.4.140.0370.04716.38
5.4.130.0730.02716.55
5.4.120.0330.03316.37
5.4.110.0330.04016.50
5.4.100.0230.04316.63
5.4.90.0370.03016.45
5.4.80.0200.04316.59
5.4.70.0500.04016.28
5.4.60.0300.04016.38
5.4.50.0270.03716.22
5.4.40.0400.03716.52
5.4.30.0300.04016.43
5.4.20.0230.04316.53
5.4.10.0170.04016.27
5.4.00.0300.03015.76
5.3.290.0040.04212.80
5.3.280.0050.03812.71
5.3.270.0050.03912.72
5.3.260.0070.03712.72
5.3.250.0070.03512.72
5.3.240.0070.03612.72
5.3.230.0110.03212.71
5.3.220.0070.03912.68
5.3.210.0070.03912.68
5.3.200.0060.04212.68
5.3.190.0090.03912.68
5.3.180.0040.03712.67
5.3.170.0030.04312.67
5.3.160.0070.03912.67
5.3.150.0090.03312.67
5.3.140.0090.03212.66
5.3.130.0070.04012.66
5.3.120.0050.03812.66
5.3.110.0090.03612.66
5.3.100.0080.03512.12
5.3.90.0080.03312.08
5.3.80.0070.04112.07
5.3.70.0090.03712.08
5.3.60.0080.03312.07
5.3.50.0080.03212.00
5.3.40.0070.03712.00
5.3.30.0070.03411.95
5.3.20.0090.03111.73
5.3.10.0100.04411.70
5.3.00.0070.03511.68
5.2.170.0090.0259.18
5.2.160.0080.0259.18
5.2.150.0050.0299.18
5.2.140.0020.0329.18
5.2.130.0040.0289.14
5.2.120.0080.0299.14
5.2.110.0050.0299.15
5.2.100.0040.0289.14
5.2.90.0080.0269.14
5.2.80.0070.0309.14
5.2.70.0090.0309.14
5.2.60.0110.0319.09
5.2.50.0040.0309.06
5.2.40.0070.0259.04
5.2.30.0070.0279.01
5.2.20.0010.0319.01
5.2.10.0030.0318.93
5.2.00.0050.0278.79
5.1.60.0040.0268.07
5.1.50.0010.0318.06
5.1.40.0040.0298.04
5.1.30.0080.0278.40
5.1.20.0080.0228.41
5.1.10.0050.0298.14
5.1.00.0050.0248.14
5.0.50.0020.0216.62
5.0.40.0020.0276.48
5.0.30.0040.0326.29
5.0.20.0040.0186.27
5.0.10.0050.0196.24
5.0.00.0010.0326.23
4.4.90.0030.0154.77
4.4.80.0050.0154.75
4.4.70.0010.0164.75
4.4.60.0040.0134.75
4.4.50.0030.0224.77
4.4.40.0050.0284.71
4.4.30.0040.0194.75
4.4.20.0040.0164.85
4.4.10.0020.0204.85
4.4.00.0020.0254.76
4.3.110.0010.0174.67
4.3.100.0030.0164.67
4.3.90.0040.0144.63
4.3.80.0030.0234.59
4.3.70.0070.0194.63
4.3.60.0060.0164.62
4.3.50.0030.0214.63
4.3.40.0040.0264.54
4.3.30.0030.0213.28
4.3.20.0000.0173.26
4.3.10.0010.0173.22
4.3.00.0100.01715.18

preferences:
52.39 ms | 400 KiB | 5 Q