3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('1', 2 ,3 => '3', '4' => 4); $b = array('a', 'b' => 'b'); $v1 = &$a; $v2 = &$a; var_dump($v1); var_dump($v2); $a[3] = 10; $v1 = $b; var_dump($v1); var_dump($v2); $b['a'] = 'A'; var_dump($v1); var_dump($v2);

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)
8.3.60.0090.00918.43
8.3.50.0110.01121.13
8.3.40.0210.00018.86
8.3.30.0120.00318.96
8.3.20.0050.00220.09
8.3.10.0090.00023.48
8.3.00.0030.00619.38
8.2.180.0110.00416.63
8.2.170.0110.00422.96
8.2.160.0080.01220.27
8.2.150.0040.00424.18
8.2.140.0100.00024.66
8.2.130.0030.00626.16
8.2.120.0080.00021.97
8.2.110.0060.00320.50
8.2.100.0090.00317.50
8.2.90.0030.00619.13
8.2.80.0030.00617.97
8.2.70.0000.00817.38
8.2.60.0030.00717.93
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0000.00718.05
8.2.20.0040.00417.59
8.2.10.0040.00418.03
8.2.00.0000.00717.66
8.1.280.0100.01025.92
8.1.270.0040.00422.06
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.00019.25
8.1.230.0070.00419.04
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0000.01017.23
8.1.190.0000.00917.23
8.1.180.0080.00018.10
8.1.170.0080.00018.51
8.1.160.0040.00421.81
8.1.150.0050.00218.69
8.1.140.0050.00217.22
8.1.130.0000.00717.75
8.1.120.0040.00417.29
8.1.110.0000.00717.42
8.1.100.0040.00417.34
8.1.90.0070.00017.42
8.1.80.0050.00217.29
8.1.70.0000.00717.19
8.1.60.0080.00017.46
8.1.50.0000.00817.37
8.1.40.0030.00617.34
8.1.30.0040.00417.55
8.1.20.0000.00817.66
8.1.10.0040.00417.46
8.1.00.0040.00417.34
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0000.00818.30
8.0.270.0080.00017.23
8.0.260.0060.00017.13
8.0.250.0000.00716.93
8.0.240.0040.00416.88
8.0.230.0070.00016.83
8.0.220.0000.00816.71
8.0.210.0000.00716.68
8.0.200.0000.00616.80
8.0.190.0060.00616.92
8.0.180.0050.00316.85
8.0.170.0000.00816.76
8.0.160.0040.00416.80
8.0.150.0080.00016.68
8.0.140.0020.00516.70
8.0.130.0030.00313.20
8.0.120.0030.00516.83
8.0.110.0000.00716.82
8.0.100.0000.00716.71
8.0.90.0030.00516.77
8.0.80.0040.01116.83
8.0.70.0050.00316.64
8.0.60.0040.00416.63
8.0.50.0040.00416.83
8.0.30.0080.01417.12
8.0.20.0050.01417.40
8.0.10.0070.00016.80
8.0.00.0100.01016.60
7.4.330.0000.00515.02
7.4.320.0000.00616.33
7.4.300.0000.00716.49
7.4.290.0040.00416.29
7.4.280.0060.00316.46
7.4.270.0070.00016.54
7.4.260.0030.00316.44
7.4.250.0000.00716.40
7.4.240.0030.00316.53
7.4.230.0070.00016.32
7.4.220.0090.00916.29
7.4.210.0100.00416.46
7.4.200.0040.00416.34
7.4.160.0100.01416.38
7.4.150.0180.00317.40
7.4.140.0080.01017.86
7.4.130.0110.00716.40
7.4.120.0080.01016.51
7.4.110.0100.00716.64
7.4.100.0130.00616.40
7.4.90.0030.01816.39
7.4.80.0080.01019.39
7.4.70.0090.00916.56
7.4.60.0060.01216.34
7.4.50.0000.00816.50
7.4.40.0140.01116.55
7.4.30.0130.00316.46
7.4.00.0050.01114.72
7.3.330.0000.00712.94
7.3.320.0000.00512.90
7.3.310.0030.00316.27
7.3.300.0040.00416.10
7.3.290.0070.01016.20
7.3.280.0070.01116.25
7.3.270.0070.01017.40
7.3.260.0140.00416.20
7.3.250.0110.00916.31
7.3.240.0170.00016.29
7.3.230.0090.01516.39
7.3.210.0000.01816.15
7.3.200.0110.00819.39
7.3.190.0110.00716.18
7.3.180.0030.01316.63
7.3.170.0040.01216.57
7.3.160.0070.01416.35
7.3.120.0110.00814.63
7.3.110.0130.00014.68
7.3.100.0110.00414.71
7.3.90.0090.00314.82
7.3.80.0090.00614.72
7.3.70.0090.00614.78
7.3.60.0100.00314.61
7.3.50.0040.01114.41
7.3.40.0110.00414.82
7.3.30.0060.00614.58
7.3.20.0090.00316.64
7.3.10.0140.00516.35
7.3.00.0030.01116.33
7.2.330.0280.01316.16
7.2.320.0090.00916.41
7.2.310.0000.01816.16
7.2.300.0090.00916.21
7.2.290.0170.00316.59
7.2.250.0040.01515.01
7.2.240.0070.01415.13
7.2.230.0100.00714.97
7.2.220.0070.01114.88
7.2.210.0070.01115.04
7.2.200.0030.00714.91
7.2.190.0070.00714.84
7.2.180.0050.00514.99
7.2.170.0030.01214.92
7.2.130.0230.00516.90
7.2.120.0080.01116.48
7.2.110.0120.00816.36
7.2.100.0110.01116.48
7.2.90.0370.00616.44
7.2.80.0110.00616.68
7.2.70.0040.01216.40
7.2.60.0200.00516.60
7.2.50.0510.00816.88
7.2.40.0060.01315.93
7.2.30.0110.01116.49
7.2.20.0100.00716.60
7.2.10.0090.00816.07
7.2.00.0040.01116.54
7.1.330.0000.01515.69
7.1.320.0100.00315.71
7.1.310.0000.01215.89
7.1.300.0000.00915.73
7.1.290.0070.00715.75
7.1.280.0090.00615.84
7.1.270.0080.00615.50
7.1.260.0040.00715.90
7.1.250.0180.01215.50
7.1.200.0060.00315.80
7.1.100.0040.00818.16
7.1.70.0000.00816.81
7.1.60.0070.01819.11
7.1.50.0230.00316.86
7.1.00.0100.06722.54
7.0.200.0020.00516.88
7.0.140.0070.07322.01
7.0.60.0130.07019.91
7.0.50.0030.07717.78
7.0.40.0100.03720.40
7.0.30.0300.04320.13
7.0.20.0200.08320.13
7.0.10.0070.08720.13
7.0.00.0070.07720.13
5.6.280.0030.07320.82
5.6.210.0030.08020.69
5.6.200.0030.05018.12
5.6.190.0030.06720.56
5.6.180.0230.05320.42
5.6.170.0230.06720.50
5.6.160.0070.08020.50
5.6.150.0030.09018.18
5.6.140.0170.06718.10
5.6.130.0070.03718.08
5.6.120.0030.04321.13
5.6.110.0070.08021.01
5.6.100.0030.04020.98
5.6.90.0100.08020.98
5.6.80.0170.07020.40
5.6.70.4470.03320.39
5.5.350.0200.07320.38
5.5.340.0170.07017.91
5.5.330.0130.07020.28
5.5.320.0370.07320.32
5.5.310.0300.05720.32
5.5.300.0030.05717.98
5.5.290.0030.04018.01
5.5.280.0100.05020.84
5.5.270.0170.07020.88
5.5.260.0130.07720.76
5.5.250.0100.08020.70
5.5.240.0230.07720.11
5.4.450.0870.06719.11
5.4.440.0970.05019.32
5.4.430.0730.05719.32
5.4.420.0900.04719.54
5.4.410.0770.05019.10
5.4.400.0870.06019.15
5.4.390.0870.05318.82
5.4.380.0730.04019.02
5.4.370.0970.05019.13
5.4.360.0800.05718.91
5.4.350.0730.05718.95
5.4.340.0040.03611.97
5.4.320.0010.04112.45
5.4.310.0080.04012.45
5.4.300.0060.03612.46
5.4.290.0090.03512.45
5.4.280.0010.04012.35
5.4.270.0060.03612.35
5.4.260.0040.04012.35
5.4.250.0050.03812.35
5.4.240.0060.04112.35
5.4.230.0100.03712.34
5.4.220.0060.03712.34
5.4.210.0050.03812.34
5.4.200.0060.04412.34
5.4.190.0050.03812.34
5.4.180.0040.03812.34
5.4.170.0050.03812.35
5.4.160.0060.03612.34
5.4.150.0060.03612.34
5.4.140.0060.04512.02
5.4.130.0050.03712.01
5.4.120.0070.03411.97
5.4.110.0080.03311.97
5.4.100.0080.04011.97
5.4.90.0070.04311.96
5.4.80.0130.05411.97
5.4.70.0070.04311.96
5.4.60.0090.04311.96
5.4.50.0060.05011.96
5.4.40.0080.05111.95
5.4.30.0040.05111.95
5.4.20.0100.04011.95
5.4.10.0050.03511.95
5.4.00.0060.03511.44
5.3.290.0070.04312.80
5.3.280.0060.04212.71
5.3.270.0050.04212.72
5.3.260.0070.03812.72
5.3.250.0090.03412.71
5.3.240.0070.03612.72
5.3.230.0090.03512.71
5.3.220.0060.03812.68
5.3.210.0090.03612.68
5.3.200.0120.03012.68
5.3.190.0100.03412.68
5.3.180.0050.04112.68
5.3.170.0050.03812.67
5.3.160.0080.03512.67
5.3.150.0060.03812.67
5.3.140.0070.03612.66
5.3.130.0050.04112.66
5.3.120.0090.03612.66
5.3.110.0100.03512.66
5.3.100.0070.03612.12
5.3.90.0100.03212.08
5.3.80.0050.04212.08
5.3.70.0050.03712.08
5.3.60.0080.03412.07
5.3.50.0040.03812.00
5.3.40.0070.03512.00
5.3.30.0070.03611.94
5.3.20.0070.03511.72
5.3.10.0050.03611.69
5.3.00.0030.04311.68
5.2.170.0050.0319.18
5.2.160.0020.0379.18
5.2.150.0050.0309.18
5.2.140.0030.0329.17
5.2.130.0060.0299.13
5.2.120.0040.0299.14
5.2.110.0050.0309.14
5.2.100.0060.0279.14
5.2.90.0060.0289.14
5.2.80.0040.0319.13
5.2.70.0090.0389.13
5.2.60.0050.0379.09
5.2.50.0030.0329.05
5.2.40.0060.0279.04
5.2.30.0040.0309.01
5.2.20.0060.0279.00
5.2.10.0050.0278.92
5.2.00.0070.0278.78
5.1.60.0030.0258.07
5.1.50.0040.0258.06
5.1.40.0050.0238.04
5.1.30.0050.0308.39
5.1.20.0020.0298.41
5.1.10.0040.0268.14
5.1.00.0090.0218.14
5.0.50.0050.0196.61
5.0.40.0070.0306.47
5.0.30.0040.0406.29
5.0.20.0040.0216.26
5.0.10.0010.0226.24
5.0.00.0050.0306.23
4.4.90.0020.0174.77
4.4.80.0010.0184.75
4.4.70.0060.0124.75
4.4.60.0010.0204.76
4.4.50.0050.0204.77
4.4.40.0020.0274.71
4.4.30.0020.0184.76
4.4.20.0040.0154.85
4.4.10.0030.0154.85
4.4.00.0030.0244.76
4.3.110.0010.0174.67
4.3.100.0010.0174.66
4.3.90.0020.0154.64
4.3.80.0040.0234.58
4.3.70.0020.0164.63
4.3.60.0020.0164.63
4.3.50.0020.0224.63
4.3.40.0020.0264.53
4.3.30.0000.0183.29
4.3.20.0040.0153.25
4.3.10.0020.0163.22
4.3.00.0100.0206.70

preferences:
46.37 ms | 400 KiB | 5 Q