3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Collection extends ArrayObject { private $data; function __construct() { $this->data = array(); parent::__construct($this->data); } function offsetGet($index) { echo __METHOD__ . "($index)\n"; return parent::offsetGet($index); } function offsetSet($index, $value) { echo __METHOD__ . "(" . (is_null($index) ? "NULL" : $index) . ",$value)\n"; parent::offsetSet($index, $value); } } echo "\n\nInitiate Obj\n"; $arrayObj = new Collection(); echo "Assign values\n"; $arrayObj[] = "foo"; var_dump($arrayObj[0]); $arrayObj[] = "bar"; var_dump($arrayObj[0]); var_dump($arrayObj[1]); $arrayObj["foo"] = "baz"; var_dump($arrayObj["foo"]); print_r($arrayObj); var_dump(count($arrayObj));

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)
8.3.60.0110.00418.43
8.3.50.0210.00922.04
8.3.40.0140.00719.00
8.3.30.0140.00019.04
8.3.20.0040.00420.15
8.3.10.0000.00821.89
8.3.00.0000.00818.02
8.2.180.0120.00918.20
8.2.170.0070.01122.96
8.2.160.0140.00020.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.01426.16
8.2.120.0040.00421.05
8.2.110.0000.01020.39
8.2.100.0040.00717.85
8.2.90.0080.00018.16
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0000.00817.93
8.2.50.0060.00318.07
8.2.40.0070.00418.34
8.2.30.0050.00318.02
8.2.20.0000.00817.67
8.2.10.0030.00618.14
8.2.00.0000.00717.68
8.1.280.0110.00325.92
8.1.270.0040.00423.80
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0100.00022.20
8.1.230.0060.00620.90
8.1.220.0080.00017.79
8.1.210.0000.00818.89
8.1.200.0030.00617.35
8.1.190.0030.00517.13
8.1.180.0000.00818.10
8.1.170.0050.00318.59
8.1.160.0040.00421.95
8.1.150.0040.00418.84
8.1.140.0000.01017.35
8.1.130.0050.00317.84
8.1.120.0040.00417.46
8.1.110.0000.00717.42
8.1.100.0030.00317.46
8.1.90.0110.00017.52
8.1.80.0040.00417.53
8.1.70.0030.00317.48
8.1.60.0030.01017.63
8.1.50.0040.00417.41
8.1.40.0050.00317.58
8.1.30.0080.00017.64
8.1.20.0050.00317.58
8.1.10.0040.00417.62
8.1.00.0040.00417.49
8.0.300.0040.00420.10
8.0.290.0040.00416.60
8.0.280.0000.00718.57
8.0.270.0040.00417.27
8.0.260.0030.00317.19
8.0.250.0000.00716.97
8.0.240.0000.00716.87
8.0.230.0030.00516.83
8.0.220.0000.00716.93
8.0.210.0030.00316.93
8.0.200.0000.00616.86
8.0.190.0040.00416.93
8.0.180.0040.00416.83
8.0.170.0000.00816.94
8.0.160.0040.00416.87
8.0.150.0080.00016.85
8.0.140.0000.00816.84
8.0.130.0050.00013.32
8.0.120.0040.00416.88
8.0.110.0000.00816.88
8.0.100.0000.00816.91
8.0.90.0030.00516.71
8.0.80.0100.00716.95
8.0.70.0040.00416.98
8.0.60.0000.00716.96
8.0.50.0070.00016.86
8.0.30.0110.00816.97
8.0.20.0170.00317.45
8.0.10.0050.00216.89
8.0.00.0090.00916.70
7.4.330.0000.00515.00
7.4.320.0000.00616.62
7.4.300.0030.00316.64
7.4.290.0030.00316.63
7.4.280.0000.00716.61
7.4.270.0000.00716.55
7.4.260.0060.00316.41
7.4.250.0020.00516.51
7.4.240.0060.00116.53
7.4.230.0000.00716.60
7.4.220.0100.00716.45
7.4.210.0060.01616.73
7.4.200.0000.00716.41
7.4.160.0060.01116.45
7.4.150.0100.00917.40
7.4.140.0130.00817.86
7.4.130.0150.00716.46
7.4.120.0090.01116.61
7.4.110.0120.00616.54
7.4.100.0100.01716.70
7.4.90.0070.01016.46
7.4.80.0090.00919.39
7.4.70.0090.00616.54
7.4.60.0060.01016.62
7.4.50.0020.00216.48
7.4.40.0070.01116.29
7.4.30.0110.00516.78
7.4.00.0100.00614.73
7.3.330.0060.00013.19
7.3.320.0020.00213.25
7.3.310.0000.00716.35
7.3.300.0030.00316.30
7.3.290.0070.00716.35
7.3.280.0060.01216.38
7.3.270.0150.00317.40
7.3.260.0190.00416.33
7.3.240.0140.00616.40
7.3.230.0140.00316.68
7.3.210.0080.00816.48
7.3.200.0180.00419.39
7.3.190.0060.01616.35
7.3.180.0130.00416.69
7.3.170.0040.01816.55
7.3.160.0090.00616.47
7.3.120.0000.01714.89
7.2.330.0070.01016.74
7.2.320.0130.01016.84
7.2.310.0070.01016.70
7.2.300.0100.00716.87
7.2.290.0060.00916.53
7.1.70.0000.00717.15
7.1.60.0040.02219.11
7.1.50.0030.00916.98
7.1.00.0030.07722.51
7.0.200.0000.01216.69
7.0.140.0000.07722.05
7.0.60.0130.07719.92
7.0.50.0100.06317.88
7.0.40.0000.05320.04
7.0.30.0230.05720.25
7.0.20.0400.03720.26
7.0.10.0030.04320.17
7.0.00.0000.04720.20
5.6.280.0000.07721.05
5.6.210.0030.08720.77
5.6.200.0000.04318.18
5.6.190.0030.05020.41
5.6.180.0330.07320.61
5.6.170.0270.03720.52
5.6.160.0030.04020.46
5.6.150.0070.07018.12
5.6.140.0070.03718.15
5.6.130.0170.07718.26
5.6.120.0030.04321.02
5.6.110.0130.08720.98
5.6.100.0070.08321.06
5.6.90.0130.07321.02
5.6.80.0100.07720.43
5.5.350.0100.07720.41
5.5.340.0100.08318.02
5.5.330.0000.09020.40
5.5.320.0400.06720.30
5.5.310.0300.07020.26
5.5.300.0100.07017.95
5.5.290.0070.04018.01
5.5.280.0130.06320.81
5.5.270.0030.04320.73
5.5.260.0030.06020.74
5.5.250.0100.07020.68
5.5.240.0200.03020.38
5.4.450.0170.04319.46
5.4.440.0230.03319.49
5.4.430.0470.04319.48
5.4.420.0270.03719.45
5.4.410.0430.04019.26
5.4.400.0600.04319.17
5.4.390.0500.04719.24
5.4.380.0370.05018.80
5.4.370.0430.04318.61
5.4.360.0400.05018.75
5.4.350.0400.05018.63
5.4.340.0530.05018.79
5.4.320.0050.03812.51
5.4.310.0060.03812.50
5.4.300.0050.03712.51
5.4.290.0060.03712.50
5.4.280.0080.03412.40
5.4.270.0060.03612.41
5.4.260.0060.03812.40
5.4.250.0060.03812.41
5.4.240.0040.03812.41
5.4.230.0080.04112.39
5.4.220.0070.03812.39
5.4.210.0050.04512.39
5.4.200.0050.03912.39
5.4.190.0070.03712.39
5.4.180.0060.04012.39
5.4.170.0070.04112.41
5.4.160.0070.03512.40
5.4.150.0070.04712.39
5.4.140.0050.04412.08
5.4.130.0050.03612.07
5.4.120.0040.03712.02
5.4.110.0050.03812.02
5.4.100.0070.03412.02
5.4.90.0060.03612.02
5.4.80.0080.04112.02
5.4.70.0060.03512.02
5.4.60.0050.03612.02
5.4.50.0080.03512.02
5.4.40.0050.03712.01
5.4.30.0040.03812.00
5.4.20.0120.03012.00
5.4.10.0060.03712.00
5.4.00.0040.03711.49
5.3.290.0060.04212.80
5.3.280.0070.03612.71
5.3.270.0090.03612.73
5.3.260.0040.04212.72
5.3.250.0060.03712.71
5.3.240.0050.04212.72
5.3.230.0060.03712.71
5.3.220.0080.03612.68
5.3.210.0050.04912.68
5.3.200.0130.03512.68
5.3.190.0040.04012.68
5.3.180.0060.04612.67
5.3.170.0110.03612.67
5.3.160.0050.04012.68
5.3.150.0080.03412.67
5.3.140.0030.03912.66
5.3.130.0080.03712.66
5.3.120.0070.03712.66
5.3.110.0090.03712.66
5.3.100.0050.03812.13
5.3.90.0060.03612.11
5.3.80.0050.03612.10
5.3.70.0080.04312.10
5.3.60.0050.03712.08
5.3.50.0120.03812.03
5.3.40.0060.03712.04
5.3.30.0070.03512.00
5.3.20.0030.04011.77
5.3.10.0060.03511.73
5.3.00.0040.03811.73
5.2.170.0040.0369.23
5.2.160.0070.0279.23
5.2.150.0020.0399.23
5.2.140.0030.0359.22
5.2.130.0070.0339.19
5.2.120.0050.0309.20
5.2.110.0080.0339.19
5.2.100.0060.0299.19
5.2.90.0060.0279.19
5.2.80.0060.0299.18
5.2.70.0040.0329.18
5.2.60.0030.0329.13
5.2.50.0030.0329.10
5.2.40.0070.0269.08
5.2.30.0050.0299.06
5.2.20.0070.0309.05
5.2.10.0040.0298.95
5.2.00.0090.0268.82
5.1.60.0040.0258.10
5.1.50.0050.0238.09
5.1.40.0040.0258.07
5.1.30.0050.0258.43
5.1.20.0060.0278.45
5.1.10.0060.0258.17
5.1.00.0100.0258.17
5.0.50.0040.0216.60
5.0.40.0050.0186.46
5.0.30.0060.0296.32
5.0.20.0030.0206.29
5.0.10.0050.0196.27
5.0.00.0040.0316.26
4.4.90.0030.0154.77
4.4.80.0030.0154.75
4.4.70.0050.0144.75
4.4.60.0040.0174.75
4.4.50.0020.0164.77
4.4.40.0020.0264.71
4.4.30.0040.0154.75
4.4.20.0010.0184.85
4.4.10.0020.0164.84
4.4.00.0020.0254.76
4.3.110.0020.0164.67
4.3.100.0030.0144.67
4.3.90.0040.0134.63
4.3.80.0050.0244.58
4.3.70.0060.0194.63
4.3.60.0030.0224.63
4.3.50.0040.0164.63
4.3.40.0050.0244.54
4.3.30.0030.0173.30
4.3.20.0030.0163.28
4.3.10.0040.0193.24
4.3.00.0070.01715.29

preferences:
43.61 ms | 401 KiB | 5 Q