3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Globock { trait JSON { function json_encode($data) { return 'json_encode mock'; } } } namespace Acme { function json_encode($data) { return 'json_encode mock'; } 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)
8.3.60.0040.01418.43
8.3.50.0050.01122.84
8.3.40.0140.00018.53
8.3.30.0070.01418.97
8.3.20.0040.00420.27
8.3.10.0000.00823.66
8.3.00.0000.00917.68
8.2.180.0070.00718.54
8.2.170.0170.00322.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0120.00626.16
8.2.120.0050.00320.89
8.2.110.0110.00020.20
8.2.100.0120.00017.91
8.2.90.0070.00317.91
8.2.80.0000.00817.97
8.2.70.0070.00217.63
8.2.60.0070.00317.93
8.2.50.0050.00518.07
8.2.40.0040.00418.03
8.2.30.0000.00718.11
8.2.20.0050.00317.61
8.2.10.0070.00017.93
8.2.00.0040.00417.65
8.1.280.0100.00725.92
8.1.270.0040.00423.92
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00622.48
8.1.230.0070.00321.00
8.1.220.0040.00417.74
8.1.210.0030.00518.90
8.1.200.0080.00017.22
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0050.00318.57
8.1.160.0040.00421.94
8.1.150.0040.00418.82
8.1.140.0020.00517.43
8.1.130.0030.00317.81
8.1.120.0070.00017.29
8.1.110.0040.00417.40
8.1.100.0050.00317.29
8.1.90.0000.00717.43
8.1.80.0000.00717.43
8.1.70.0070.00017.27
8.1.60.0050.00317.58
8.1.50.0040.00417.56
8.1.40.0000.00917.38
8.1.30.0040.00417.65
8.1.20.0080.00017.51
8.1.10.0000.00817.51
8.1.00.0000.00717.39
8.0.300.0070.00020.08
8.0.290.0070.00016.75
8.0.280.0030.00318.51
8.0.270.0030.00317.30
8.0.260.0030.00317.24
8.0.250.0030.00316.94
8.0.240.0100.00016.81
8.0.230.0040.00616.89
8.0.220.0000.00716.72
8.0.210.0040.00416.84
8.0.200.0080.00016.93
8.0.190.0030.00616.79
8.0.180.0000.00816.86
8.0.170.0040.00416.84
8.0.160.0000.00716.66
8.0.150.0000.00716.76
8.0.140.0040.00416.79
8.0.130.0030.00313.25
8.0.120.0050.00216.68
8.0.110.0000.00816.73
8.0.100.0080.00016.73
8.0.90.0000.00716.93
8.0.80.0090.01216.82
8.0.70.0040.00416.64
8.0.60.0050.00316.67
8.0.50.0040.00416.64
8.0.30.0050.01616.89
8.0.20.0120.00917.40
8.0.10.0050.00216.96
8.0.00.0110.00916.60
7.4.330.0000.00515.02
7.4.320.0030.00316.41
7.4.300.0030.00316.57
7.4.290.0050.00316.52
7.4.280.0040.00416.56
7.4.270.0030.00316.61
7.4.260.0040.00416.49
7.4.250.0000.00816.55
7.4.240.0020.00516.47
7.4.230.0000.00816.46
7.4.220.0070.01116.63
7.4.210.0090.00616.57
7.4.200.0050.00216.43
7.4.160.0060.00916.38
7.4.150.0130.00517.40
7.4.140.0090.01317.86
7.4.130.0050.01216.59
7.4.120.0080.00916.47
7.4.110.0120.00416.26
7.4.100.0060.01116.61
7.4.90.0060.01216.40
7.4.80.0090.01419.39
7.4.70.0060.01116.55
7.4.60.0130.00616.67
7.4.50.0040.00416.14
7.4.40.0050.01416.24
7.4.30.0030.01316.30
7.4.00.0030.01315.12
7.3.330.0030.00313.32
7.3.320.0050.00013.16
7.3.310.0030.00316.33
7.3.300.0060.00016.30
7.3.290.0090.00616.31
7.3.280.0100.00816.28
7.3.270.0070.01017.40
7.3.260.0030.01316.22
7.3.250.0090.00816.44
7.3.240.0140.00316.55
7.3.230.0050.01716.39
7.3.210.0140.00616.35
7.3.200.0100.00719.39
7.3.190.0060.01016.35
7.3.180.0100.00716.42
7.3.170.0060.01316.29
7.3.160.0040.01716.27
7.3.120.0100.00615.04
7.3.10.0090.00816.33
7.3.00.0060.00916.29
7.2.330.0100.00716.34
7.2.320.0110.00716.45
7.2.310.0160.00616.39
7.2.300.0110.01216.56
7.2.290.0060.01216.44
7.2.130.0080.01016.49
7.2.120.0100.00616.42
7.2.110.0120.00316.40
7.2.100.0100.00416.49
7.2.90.0120.00516.52
7.2.80.0080.00916.64
7.2.70.0070.01016.64
7.2.60.0060.01016.52
7.2.50.0110.00516.46
7.2.40.0040.00916.49
7.2.30.0090.00616.53
7.2.20.0100.00616.56
7.2.10.0060.00816.83
7.2.00.0100.00716.65
7.1.250.0060.00715.32
7.1.200.0100.00315.66
7.1.70.0040.00416.74
7.1.60.0030.02019.40
7.1.50.0070.01616.71
7.1.00.0000.08022.46
7.0.200.0040.00716.67
7.0.140.0070.06722.18
7.0.60.0070.07319.95
7.0.50.0030.08317.95
7.0.40.0030.09020.23
7.0.30.0570.07020.30
7.0.20.0330.07720.02
7.0.10.0270.05320.19
7.0.00.0100.08320.09
5.6.280.0070.07021.00
5.6.210.0100.03320.57
5.6.200.0030.08018.16
5.6.190.0000.07320.58
5.6.180.0270.07720.51
5.6.170.0270.07720.51
5.6.160.0070.05020.51
5.6.150.0070.07718.27
5.6.140.0070.03318.18
5.6.130.0030.08018.18
5.6.120.0100.06721.00
5.6.110.0070.06020.97
5.6.100.0100.08021.14
5.6.90.0130.04720.98
5.6.80.0130.07320.43
5.6.70.3900.04020.41
5.5.350.0130.08320.50
5.5.340.0130.07717.98
5.5.330.0130.06020.57
5.5.320.0370.08020.27
5.5.310.0270.06020.51
5.5.300.0070.07717.99
5.5.290.0170.07018.02
5.5.280.0070.08720.98
5.5.270.0070.08320.73
5.5.260.0100.04320.77
5.5.250.0200.06720.59
5.5.240.0270.06320.16
5.4.450.0300.04719.17
5.4.440.0270.05019.57
5.4.430.0570.04319.34
5.4.420.0430.04019.41
5.4.410.0730.03019.36
5.4.400.0330.04019.21
5.4.390.0430.04318.84
5.4.380.0070.06318.77
5.4.370.0200.05318.68
5.4.360.0070.06018.74
5.4.350.0130.05318.72
5.4.340.0100.05718.65
5.4.320.0060.03712.51
5.4.310.0050.03812.50
5.4.300.0080.04012.51
5.4.290.0050.04712.50
5.4.280.0040.03712.40
5.4.270.0050.03812.41
5.4.260.0040.03912.41
5.4.250.0090.03412.41
5.4.240.0060.03812.40
5.4.230.0040.03912.39
5.4.220.0040.03712.39
5.4.210.0060.03512.39
5.4.200.0050.03812.39
5.4.190.0070.03612.39
5.4.180.0030.03712.39
5.4.170.0100.03712.40
5.4.160.0090.03312.39
5.4.150.0070.03412.39
5.4.140.0070.04212.07
5.4.130.0090.03812.06
5.4.120.0040.04712.02
5.4.110.0090.03812.01
5.4.100.0070.03212.02
5.4.90.0080.03612.02
5.4.80.0040.03812.02
5.4.70.0040.03612.01
5.4.60.0050.03412.02
5.4.50.0090.03112.02
5.4.40.0050.03412.00
5.4.30.0030.03712.00
5.4.20.0050.03512.00
5.4.10.0040.03612.00
5.4.00.0080.03411.48
5.3.290.0050.05212.80
5.3.280.0050.03912.70
5.3.270.0050.04212.72
5.3.260.0090.03412.72
5.3.250.0030.03912.72
5.3.240.0080.04612.71
5.3.230.0090.03912.71
5.3.220.0030.03912.68
5.3.210.0060.05012.68
5.3.200.0060.03812.68
5.3.190.0070.03612.68
5.3.180.0080.04112.68
5.3.170.0050.03612.67
5.3.160.0050.04312.68
5.3.150.0070.03912.67
5.3.140.0040.03912.66
5.3.130.0070.04212.66
5.3.120.0020.04112.66
5.3.110.0100.03712.66
5.3.100.0070.03712.12
5.3.90.0070.03612.08
5.3.80.0060.03512.07
5.3.70.0070.03912.07
5.3.60.0050.03512.07
5.3.50.0040.03712.00
5.3.40.0050.03712.00
5.3.30.0020.03811.95
5.3.20.0040.03611.73
5.3.10.0050.03511.70
5.3.00.0050.03611.68
5.2.170.0050.0339.18
5.2.160.0040.0309.18
5.2.150.0060.0289.18
5.2.140.0040.0369.18
5.2.130.0050.0279.14
5.2.120.0040.0389.14
5.2.110.0120.0339.14
5.2.100.0040.0289.14
5.2.90.0110.0289.14
5.2.80.0080.0339.14
5.2.70.0020.0329.14
5.2.60.0060.0289.09
5.2.50.0040.0299.06
5.2.40.0050.0319.03
5.2.30.0080.0259.01
5.2.20.0020.0309.00
5.2.10.0090.0258.92
5.2.00.0030.0298.78
5.1.60.0010.0268.07
5.1.50.0040.0308.07
5.1.40.0020.0318.05
5.1.30.0020.0278.39
5.1.20.0070.0268.42
5.1.10.0070.0228.14
5.1.00.0010.0288.14
5.0.50.0050.0246.62
5.0.40.0020.0206.48
5.0.30.0030.0306.29
5.0.20.0020.0206.26
5.0.10.0030.0196.24
5.0.00.0080.0326.23
4.4.90.0040.0164.77
4.4.80.0020.0194.75
4.4.70.0030.0204.75
4.4.60.0030.0144.76
4.4.50.0030.0144.77
4.4.40.0030.0314.71
4.4.30.0010.0164.76
4.4.20.0040.0144.85
4.4.10.0040.0134.85
4.4.00.0060.0284.76
4.3.110.0080.0154.67
4.3.100.0040.0174.66
4.3.90.0050.0134.64
4.3.80.0030.0234.58
4.3.70.0030.0144.63
4.3.60.0040.0194.62
4.3.50.0050.0174.63
4.3.40.0030.0244.54
4.3.30.0030.0143.28
4.3.20.0000.0173.25
4.3.10.0020.0213.22
4.3.00.0070.01315.18

preferences:
41.19 ms | 401 KiB | 5 Q