3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar = array('x' => array('a' => 'x1', 'b' => 'x2'), 'y' => array('a' => 'y1', 'b' => 'y2')); public function test() { foreach ($bar as $b) { $b['a'] = 'hello'; } } } $foo = new Foo(); $foo->test(); var_dump($foo->bar);

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)
8.3.60.0150.00316.75
8.3.50.0090.01022.90
8.3.40.0070.00718.79
8.3.30.0100.00319.10
8.3.20.0000.00820.34
8.3.10.0000.00921.82
8.3.00.0070.00017.77
8.2.180.0160.00625.92
8.2.170.0110.00419.09
8.2.160.0100.00322.96
8.2.150.0040.01525.66
8.2.140.0060.00324.66
8.2.130.0150.00426.16
8.2.120.0000.00821.09
8.2.110.0060.00321.00
8.2.100.0130.00017.91
8.2.90.0000.01019.27
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0070.00017.93
8.2.50.0060.00318.07
8.2.40.0040.00418.28
8.2.30.0050.00217.93
8.2.20.0050.00317.80
8.2.10.0040.00418.04
8.2.00.0040.00417.80
8.1.280.0150.00425.92
8.1.270.0040.00423.97
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0070.00322.45
8.1.230.0080.00320.86
8.1.220.0050.00317.80
8.1.210.0000.00818.77
8.1.200.0030.00617.25
8.1.190.0040.00417.22
8.1.180.0000.00918.10
8.1.170.0000.00818.46
8.1.160.0050.00322.05
8.1.150.0000.00818.79
8.1.140.0040.00417.44
8.1.130.0000.00717.82
8.1.120.0030.00517.34
8.1.110.0000.00817.45
8.1.100.0000.00717.46
8.1.90.0060.00317.38
8.1.80.0000.00717.47
8.1.70.0030.00517.33
8.1.60.0000.00817.50
8.1.50.0030.00517.41
8.1.40.0000.00817.54
8.1.30.0000.00817.53
8.1.20.0070.00017.49
8.1.10.0070.00017.44
8.1.00.0030.00617.45
8.0.300.0000.00819.94
8.0.290.0070.00016.63
8.0.280.0030.00318.44
8.0.270.0000.00717.27
8.0.260.0000.00617.25
8.0.250.0000.00717.06
8.0.240.0080.00016.97
8.0.230.0030.00516.97
8.0.220.0000.00717.01
8.0.210.0030.00516.91
8.0.200.0000.00717.02
8.0.190.0000.00817.05
8.0.180.0080.00016.99
8.0.170.0000.00716.98
8.0.160.0040.00417.00
8.0.150.0040.00416.79
8.0.140.0050.00516.82
8.0.130.0000.00613.39
8.0.120.0000.00816.80
8.0.110.0030.00516.84
8.0.100.0040.00416.91
8.0.90.0000.00816.84
8.0.80.0070.00716.98
8.0.70.0030.00516.98
8.0.60.0050.00316.99
8.0.50.0040.00416.95
8.0.30.0090.00917.11
8.0.20.0060.01317.40
8.0.10.0000.00817.05
8.0.00.0120.00916.63
7.4.330.0050.00015.00
7.4.320.0040.00416.52
7.4.300.0050.00316.52
7.4.290.0000.00716.57
7.4.280.0040.00416.57
7.4.270.0030.00316.50
7.4.260.0030.00316.48
7.4.250.0000.00816.61
7.4.240.0020.00516.54
7.4.230.0030.00616.57
7.4.220.0110.01116.50
7.4.210.0110.00716.41
7.4.200.0030.00316.60
7.4.160.0130.00316.53
7.4.150.0060.01217.40
7.4.140.0140.00917.86
7.4.130.0120.00616.48
7.4.120.0070.01016.46
7.4.110.0110.00716.47
7.4.100.0090.01316.41
7.4.90.0030.01416.68
7.4.80.0150.00619.39
7.4.70.0140.00316.56
7.4.60.0120.01016.59
7.4.50.0000.00416.56
7.4.40.0080.00816.43
7.4.30.0030.01516.58
7.4.00.0090.00914.87
7.3.330.0000.00713.26
7.3.320.0020.00213.27
7.3.310.0000.00616.37
7.3.300.0050.00316.35
7.3.290.0100.00316.31
7.3.280.0110.00716.30
7.3.270.0130.01317.40
7.3.260.0160.00516.52
7.3.250.0120.00816.20
7.3.240.0090.00916.17
7.3.230.0040.01216.39
7.3.210.0120.00316.41
7.3.200.0050.01519.39
7.3.190.0130.01016.40
7.3.180.0140.00316.24
7.3.170.0130.00316.30
7.3.160.0170.00016.25
7.3.120.0030.01414.94
7.2.330.0150.00716.42
7.2.320.0120.00816.70
7.2.310.0110.00716.71
7.2.300.0070.01016.39
7.2.290.0060.01016.81
7.2.60.0100.00716.96
7.2.00.0190.00819.39
7.1.200.0070.00715.57
7.1.100.0070.00418.04
7.1.70.0040.00417.19
7.1.60.0040.01519.40
7.1.50.0060.01016.92
7.1.00.0030.07722.35
7.0.200.0040.00416.42
7.0.140.0070.06722.15
7.0.60.0100.06719.94
7.0.50.0030.08717.85
7.0.40.0130.04720.09
7.0.30.0470.06020.17
7.0.20.0300.07720.06
7.0.10.0300.03320.16
7.0.00.0000.07720.29
5.6.280.0070.06721.07
5.6.210.0030.07020.70
5.6.200.0030.04018.17
5.6.190.0030.09320.39
5.6.180.0230.03720.47
5.6.170.0200.04320.71
5.6.160.0070.07020.57
5.6.150.0030.04318.16
5.6.140.0030.07718.12
5.6.130.0030.08018.16
5.6.120.0100.07721.03
5.6.110.0100.08320.96
5.6.100.0100.05720.98
5.6.90.0030.04021.13
5.6.80.0100.08020.38
5.6.70.4500.03320.40
5.5.350.0170.07720.45
5.5.340.0100.08017.99
5.5.330.0000.05720.43
5.5.320.0400.03320.24
5.5.310.0430.07020.34
5.5.300.0070.04717.99
5.5.290.0070.03717.96
5.5.280.0030.04320.66
5.5.270.0030.04720.86
5.5.260.0070.07720.68
5.5.250.0000.08720.61
5.5.240.4170.04020.13
5.4.450.0130.05319.57
5.4.440.0430.04319.28
5.4.430.0470.04019.48
5.4.420.0530.04319.56
5.4.410.0270.04719.44
5.4.400.0570.03718.85
5.4.390.0370.03719.22
5.4.380.0370.05318.69
5.4.370.0500.05018.78
5.4.360.0430.05018.63
5.4.350.0330.05718.56
5.4.340.0270.06318.59
5.4.320.0060.03712.50
5.4.310.0060.04312.49
5.4.300.0070.03512.50
5.4.290.0080.04312.50
5.4.280.0060.04712.39
5.4.270.0060.03912.39
5.4.260.0070.04512.39
5.4.250.0080.03712.39
5.4.240.0050.03812.39
5.4.230.0100.03712.39
5.4.220.0120.03712.38
5.4.210.0130.04612.39
5.4.200.0090.04512.39
5.4.190.0100.03412.39
5.4.180.0090.04412.38
5.4.170.0080.03912.40
5.4.160.0080.04912.39
5.4.150.0050.03612.39
5.4.140.0040.03812.07
5.4.130.0070.04012.06
5.4.120.0080.04312.02
5.4.110.0050.03512.01
5.4.100.0060.03512.01
5.4.90.0080.04212.01
5.4.80.0050.04712.01
5.4.70.0060.03812.01
5.4.60.0090.04212.01
5.4.50.0060.03812.01
5.4.40.0040.04712.00
5.4.30.0070.04411.99
5.4.20.0070.04111.99
5.4.10.0060.03912.00
5.4.00.0090.03611.48
5.3.290.0090.04712.80
5.3.280.0050.04112.71
5.3.270.0040.03912.72
5.3.260.0070.03712.72
5.3.250.0060.04612.72
5.3.240.0060.03612.72
5.3.230.0040.04612.71
5.3.220.0080.03912.68
5.3.210.0080.04112.68
5.3.200.0090.04112.68
5.3.190.0050.04912.68
5.3.180.0060.04012.67
5.3.170.0050.03612.67
5.3.160.0040.05112.68
5.3.150.0070.04212.68
5.3.140.0050.03912.66
5.3.130.0100.04112.66
5.3.120.0050.04012.65
5.3.110.0060.04212.66
5.3.100.0060.03812.12
5.3.90.0070.03812.10
5.3.80.0070.04112.09
5.3.70.0060.04012.10
5.3.60.0080.03312.07
5.3.50.0070.04112.02
5.3.40.0110.03512.02
5.3.30.0080.03911.98
5.3.20.0070.04511.76
5.3.10.0120.03111.73
5.3.00.0050.03711.71
5.2.170.0070.0319.22
5.2.160.0060.0289.22
5.2.150.0080.0299.21
5.2.140.0060.0379.21
5.2.130.0050.0319.17
5.2.120.0060.0299.18
5.2.110.0050.0329.18
5.2.100.0050.0289.18
5.2.90.0070.0299.18
5.2.80.0070.0319.18
5.2.70.0030.0349.18
5.2.60.0070.0369.13
5.2.50.0070.0369.10
5.2.40.0060.0299.07
5.2.30.0050.0379.05
5.2.20.0040.0389.04
5.2.10.0080.0288.94
5.2.00.0060.0378.80
5.1.60.0020.0258.09
5.1.50.0050.0248.09
5.1.40.0050.0308.06
5.1.30.0030.0268.42
5.1.20.0040.0358.43
5.1.10.0050.0268.16
5.1.00.0050.0388.16
5.0.50.0050.0256.63
5.0.40.0050.0196.50
5.0.30.0050.0346.31
5.0.20.0050.0286.28
5.0.10.0050.0266.26
5.0.00.0030.0386.25
4.4.90.0030.0194.78
4.4.80.0040.0234.76
4.4.70.0020.0174.76
4.4.60.0030.0214.75
4.4.50.0030.0244.77
4.4.40.0030.0244.71
4.4.30.0040.0244.76
4.4.20.0040.0194.85
4.4.10.0040.0174.85
4.4.00.0040.0284.76
4.3.110.0050.0164.66
4.3.100.0040.0234.67
4.3.90.0060.0174.63
4.3.80.0050.0264.58
4.3.70.0040.0184.63
4.3.60.0040.0164.63
4.3.50.0050.0184.63
4.3.40.0050.0254.54
4.3.30.0020.0163.30
4.3.20.0000.0243.28
4.3.10.0040.0173.24
4.3.00.0030.01315.17

preferences:
39.99 ms | 401 KiB | 5 Q