3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar = array('x' => array('a' => 'x1', 'b' => 'x2'), 'y' => array('a' => 'y1', 'b' => 'y2')); public function test() { foreach ($this->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)
8.3.60.0090.00918.18
8.3.50.0150.00322.88
8.3.40.0110.00318.67
8.3.30.0070.00719.05
8.3.20.0040.00420.14
8.3.10.0040.00721.91
8.3.00.0080.00017.93
8.2.180.0120.00616.50
8.2.170.0140.00022.96
8.2.160.0070.01320.57
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0090.00926.16
8.2.120.0040.00419.91
8.2.110.0060.00320.95
8.2.100.0040.00717.97
8.2.90.0000.01019.16
8.2.80.0060.00317.97
8.2.70.0040.00417.63
8.2.60.0080.00018.03
8.2.50.0060.00318.07
8.2.40.0050.00218.16
8.2.30.0040.00417.99
8.2.20.0050.00217.72
8.2.10.0000.00818.06
8.2.00.0060.00317.74
8.1.280.0090.00625.92
8.1.270.0060.00323.80
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00622.60
8.1.230.0040.00720.85
8.1.220.0040.00417.77
8.1.210.0030.00518.77
8.1.200.0070.00317.35
8.1.190.0000.00817.36
8.1.180.0030.00518.10
8.1.170.0040.00418.65
8.1.160.0040.00422.02
8.1.150.0040.00418.86
8.1.140.0040.00417.44
8.1.130.0030.00317.83
8.1.120.0060.00317.37
8.1.110.0000.00817.42
8.1.100.0030.00517.34
8.1.90.0030.00617.34
8.1.80.0040.00417.42
8.1.70.0050.00317.33
8.1.60.0030.00517.57
8.1.50.0030.00517.56
8.1.40.0040.00417.52
8.1.30.0030.00517.65
8.1.20.0040.00417.48
8.1.10.0000.00717.46
8.1.00.0000.00917.30
8.0.300.0020.00519.98
8.0.290.0040.00416.63
8.0.280.0040.00318.44
8.0.270.0030.00317.16
8.0.260.0050.00317.16
8.0.250.0040.00416.94
8.0.240.0000.00716.89
8.0.230.0030.00316.86
8.0.220.0030.00316.76
8.0.210.0020.00516.80
8.0.200.0030.00317.02
8.0.190.0040.00416.98
8.0.180.0040.00416.81
8.0.170.0040.00416.75
8.0.160.0050.00316.82
8.0.150.0040.00416.93
8.0.140.0060.00316.84
8.0.130.0000.00513.27
8.0.120.0040.00416.70
8.0.110.0040.00416.95
8.0.100.0030.00516.73
8.0.90.0030.00316.93
8.0.80.0160.00016.92
8.0.70.0030.00616.75
8.0.60.0050.00316.76
8.0.50.0030.00516.83
8.0.30.0100.00817.08
8.0.20.0120.01317.40
8.0.10.0040.00417.07
8.0.00.0100.00816.60
7.4.330.0020.00215.13
7.4.320.0000.00816.54
7.4.300.0030.00316.64
7.4.290.0070.00016.56
7.4.280.0000.00716.44
7.4.270.0040.00416.65
7.4.260.0000.00716.41
7.4.250.0030.00316.51
7.4.240.0030.00516.59
7.4.230.0050.00216.66
7.4.220.0100.00716.39
7.4.210.0070.00716.59
7.4.200.0000.00716.39
7.4.160.0110.00516.38
7.4.150.0180.00017.40
7.4.140.0120.00617.86
7.4.130.0120.00416.62
7.4.120.0130.00816.49
7.4.110.0090.00916.52
7.4.100.0100.01016.57
7.4.90.0030.01416.59
7.4.80.0150.00419.39
7.4.70.0060.01116.67
7.4.60.0110.00816.35
7.4.50.0000.00716.57
7.4.40.0040.01316.48
7.4.30.0090.00616.57
7.4.00.0100.00014.91
7.3.330.0000.00713.38
7.3.320.0000.00613.22
7.3.310.0000.00616.25
7.3.300.0040.00416.37
7.3.290.0030.01016.37
7.3.280.0090.01116.35
7.3.270.0190.00617.40
7.3.260.0040.01516.22
7.3.250.0070.01016.23
7.3.240.0120.00916.35
7.3.230.0060.01016.39
7.3.210.0040.01316.28
7.3.200.0000.02119.39
7.3.190.0060.01616.67
7.3.180.0120.00416.55
7.3.170.0040.01216.27
7.3.160.0040.01316.58
7.3.120.0100.00314.75
7.2.330.0040.01416.59
7.2.320.0070.01116.79
7.2.310.0030.01416.84
7.2.300.0080.00816.82
7.2.290.0030.01316.78
7.2.60.0080.00417.05
7.2.50.0100.00317.04
7.1.200.0040.00715.91
7.1.100.0000.01117.81
7.1.70.0030.00617.17
7.1.60.0110.01419.40
7.1.50.0040.01516.98
7.1.00.0030.07722.43
7.0.200.0000.01016.83
7.0.140.0030.07322.23
7.0.60.0100.07019.87
7.0.50.0070.08317.91
7.0.40.0030.05320.13
7.0.30.0730.05020.26
7.0.20.0430.06720.21
7.0.10.0230.03720.26
7.0.00.0000.05720.10
5.6.280.0030.07321.05
5.6.210.0030.09020.67
5.6.200.0070.04318.16
5.6.190.0230.07320.50
5.6.180.3470.04720.38
5.6.170.0300.04020.56
5.6.160.0100.08320.46
5.6.150.0070.07718.30
5.6.140.0000.09018.23
5.6.130.0100.05018.15
5.6.120.0130.06321.02
5.6.110.0170.06721.14
5.6.100.0000.07320.96
5.6.90.0170.07321.11
5.6.80.0200.06720.41
5.6.70.0230.06720.40
5.5.350.0370.06720.33
5.5.340.0100.05318.02
5.5.330.0000.06020.29
5.5.320.0530.04320.38
5.5.310.0200.04320.23
5.5.300.0070.05318.06
5.5.290.0000.04718.03
5.5.280.0100.09320.75
5.5.270.0070.05320.68
5.5.260.0200.07320.68
5.5.250.0130.04020.71
5.5.240.4170.03720.27
5.4.450.0970.06719.61
5.4.440.0700.05719.65
5.4.430.0570.06319.46
5.4.420.0670.05319.31
5.4.410.0700.06019.37
5.4.400.0500.05718.93
5.4.390.0700.05319.07
5.4.380.0070.05018.51
5.4.370.0130.05018.70
5.4.360.0130.05318.55
5.4.350.0050.03812.02
5.4.340.0170.10312.02
5.4.320.0070.03512.50
5.4.310.0050.04712.49
5.4.300.0070.03912.50
5.4.290.0080.03512.50
5.4.280.0040.03712.39
5.4.270.0060.03612.39
5.4.260.0090.04012.39
5.4.250.0080.04712.39
5.4.240.0120.04312.39
5.4.230.0060.04212.38
5.4.220.0080.05012.38
5.4.210.0050.03812.39
5.4.200.0060.04112.39
5.4.190.0070.03712.39
5.4.180.0070.04012.38
5.4.170.0110.03712.39
5.4.160.0080.03412.39
5.4.150.0100.03712.39
5.4.140.0060.04612.07
5.4.130.0080.03912.06
5.4.120.0040.03812.02
5.4.110.0100.03712.02
5.4.100.0080.03812.01
5.4.90.0070.03412.01
5.4.80.0030.04512.01
5.4.70.0060.03612.01
5.4.60.0080.03312.01
5.4.50.0080.04012.00
5.4.40.0060.03911.99
5.4.30.0070.03811.99
5.4.20.0070.04512.00
5.4.10.0040.03612.00
5.4.00.0030.03811.48
5.3.290.0090.03512.80
5.3.280.0100.03412.71
5.3.270.0080.04512.73
5.3.260.0050.04512.72
5.3.250.0080.04412.71
5.3.240.0080.03912.72
5.3.230.0100.03712.70
5.3.220.0030.04012.68
5.3.210.0090.04312.68
5.3.200.0060.04612.68
5.3.190.0070.04212.68
5.3.180.0120.03512.68
5.3.170.0050.05212.66
5.3.160.0090.03212.68
5.3.150.0100.04312.68
5.3.140.0050.04912.66
5.3.130.0070.04912.65
5.3.120.0070.05012.66
5.3.110.0060.04712.66
5.3.100.0070.04112.12
5.3.90.0090.04512.10
5.3.80.0080.04012.09
5.3.70.0090.03712.09
5.3.60.0070.03912.08
5.3.50.0060.04412.02
5.3.40.0100.04512.02
5.3.30.0060.04011.98
5.3.20.0090.03811.76
5.3.10.0040.04011.73
5.3.00.0070.04111.72
5.2.170.0040.0329.22
5.2.160.0060.0299.21
5.2.150.0070.0309.21
5.2.140.0070.0289.21
5.2.130.0040.0289.18
5.2.120.0040.0299.17
5.2.110.0040.0299.18
5.2.100.0060.0389.18
5.2.90.0080.0369.18
5.2.80.0080.0289.17
5.2.70.0050.0389.17
5.2.60.0050.0309.13
5.2.50.0050.0379.10
5.2.40.0050.0379.07
5.2.30.0070.0299.04
5.2.20.0030.0389.04
5.2.10.0050.0318.95
5.2.00.0070.0358.80
5.1.60.0050.0338.09
5.1.50.0070.0258.08
5.1.40.0050.0308.07
5.1.30.0060.0308.42
5.1.20.0060.0288.43
5.1.10.0040.0278.16
5.1.00.0070.0228.16
5.0.50.0020.0246.64
5.0.40.0020.0296.50
5.0.30.0020.0356.31
5.0.20.0050.0256.29
5.0.10.0050.0206.25
5.0.00.0060.0356.25
4.4.90.0040.0234.78
4.4.80.0050.0184.75
4.4.70.0040.0164.75
4.4.60.0020.0204.76
4.4.50.0020.0154.77
4.4.40.0010.0274.71
4.4.30.0000.0174.76
4.4.20.0020.0164.85
4.4.10.0050.0134.85
4.4.00.0050.0234.76
4.3.110.0050.0144.67
4.3.100.0040.0144.66
4.3.90.0080.0094.63
4.3.80.0030.0264.58
4.3.70.0030.0154.63
4.3.60.0030.0144.63
4.3.50.0040.0164.63
4.3.40.0030.0234.54
4.3.30.0040.0213.30
4.3.20.0020.0203.28
4.3.10.0010.0183.23
4.3.00.0130.0237.09

preferences:
45.74 ms | 401 KiB | 5 Q