3v4l.org

run code in 300+ PHP versions simultaneously
<?php class my_class { public $data; public $var1; public $var2; public $var3; public function __construct() { $this->data = new stdClass; $this->data->var1 = 'a'; $this->data->var2 = 'b'; $this->data->var3 = 'c'; $this->var1 = &$data->var1; $this->var2 = &$data->var2; $this->var3 = &$data->var3; } } $original = new my_class; $new = clone $original; $new->var3 = 'd'; // Output Should Be "c" echo $original->var3;

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)
8.3.60.0150.00616.88
8.3.50.0080.01022.93
8.3.40.0140.00318.79
8.3.30.0060.00819.21
8.3.20.0000.00720.34
8.3.10.0080.00023.66
8.3.00.0080.00017.75
8.2.180.0070.00716.88
8.2.170.0090.00922.96
8.2.160.0030.01020.52
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00421.01
8.2.110.0040.00422.12
8.2.100.0080.00319.47
8.2.90.0070.00019.23
8.2.80.0000.00917.97
8.2.70.0060.00317.63
8.2.60.0000.00817.80
8.2.50.0060.00318.07
8.2.40.0000.00818.03
8.2.30.0080.00017.98
8.2.20.0040.00417.59
8.2.10.0040.00417.91
8.2.00.0040.00417.68
8.1.280.0110.00925.92
8.1.270.0050.00324.02
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00623.87
8.1.230.0160.00018.73
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00617.35
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0040.00418.56
8.1.160.0000.00721.99
8.1.150.0000.00718.75
8.1.140.0080.00017.40
8.1.130.0000.00717.82
8.1.120.0000.00717.42
8.1.110.0040.00417.40
8.1.100.0030.00317.32
8.1.90.0000.00717.41
8.1.80.0030.00317.36
8.1.70.0030.00317.37
8.1.60.0050.00317.61
8.1.50.0000.00817.51
8.1.40.0040.00417.50
8.1.30.0040.00417.65
8.1.20.0070.00317.49
8.1.10.0050.00317.44
8.1.00.0000.00917.45
8.0.300.0080.00018.77
8.0.290.0070.00016.63
8.0.280.0000.00718.29
8.0.270.0050.00317.14
8.0.260.0030.00317.09
8.0.250.0040.00416.91
8.0.240.0000.00716.86
8.0.230.0070.00016.95
8.0.220.0040.00416.75
8.0.210.0040.00416.86
8.0.200.0030.00316.93
8.0.190.0040.00416.96
8.0.180.0040.00416.95
8.0.170.0040.00416.96
8.0.160.0060.00316.86
8.0.150.0030.00616.92
8.0.140.0040.00416.75
8.0.130.0030.00313.29
8.0.120.0080.00016.81
8.0.110.0040.00416.80
8.0.100.0050.00216.95
8.0.90.0070.00016.77
8.0.80.0170.00316.82
8.0.70.0000.00717.00
8.0.60.0040.00416.76
8.0.50.0040.00416.71
8.0.30.0140.00517.03
8.0.20.0140.00517.40
8.0.10.0050.00216.83
8.0.00.0090.00916.62
7.4.330.0000.00515.00
7.4.320.0030.00316.34
7.4.300.0060.00016.57
7.4.290.0040.00416.57
7.4.280.0050.00316.58
7.4.270.0040.00416.59
7.4.260.0050.00316.38
7.4.250.0030.00516.54
7.4.240.0020.00616.50
7.4.230.0070.00016.70
7.4.220.0140.00316.52
7.4.210.0060.00816.66
7.4.200.0000.00716.30
7.4.160.0060.01616.53
7.4.150.0100.01017.40
7.4.140.0100.00717.86
7.4.130.0030.01416.40
7.4.120.0120.00516.47
7.4.110.0110.00616.56
7.4.100.0070.01016.34
7.4.90.0130.00316.57
7.4.80.0130.00919.39
7.4.70.0100.00716.62
7.4.60.0070.01016.51
7.4.50.0000.00816.40
7.4.40.0000.01716.47
7.4.30.0100.00716.60
7.4.00.0070.00715.20
7.3.330.0060.00013.08
7.3.320.0060.00013.15
7.3.310.0000.00716.25
7.3.300.0030.00316.31
7.3.290.0090.00616.31
7.3.280.0080.00916.27
7.3.270.0110.00817.40
7.3.260.0120.00416.43
7.3.250.0090.00816.41
7.3.240.0000.01616.48
7.3.230.0090.00616.46
7.3.210.0060.01116.42
7.3.200.0130.00719.39
7.3.190.0130.01016.40
7.3.180.0080.00816.50
7.3.170.0130.00316.50
7.3.160.0130.01016.41
7.2.330.0070.01716.70
7.2.320.0070.01016.91
7.2.310.0070.01416.42
7.2.300.0060.01016.81
7.2.290.0040.01216.90
7.2.60.0030.01017.02
7.2.00.0030.01219.51
7.1.200.0100.00515.60
7.1.100.0040.00818.01
7.1.70.0030.00616.87
7.1.60.0130.01319.40
7.1.50.0030.02216.63
7.1.00.0030.07322.37
7.0.200.0000.00716.45
7.0.140.0070.07322.21
7.0.60.0100.08019.95
7.0.50.0000.04317.90
7.0.40.0130.06320.14
7.0.30.0270.06320.13
7.0.20.0330.07020.09
7.0.10.0100.07320.23
7.0.00.0000.09020.22
5.6.280.0070.07021.13
5.6.210.0070.07020.77
5.6.200.0130.08018.13
5.6.190.0070.04320.77
5.6.180.0300.07720.62
5.6.170.0170.04020.44
5.6.160.0000.07720.45
5.6.150.0130.07718.18
5.6.140.0030.05018.11
5.6.130.0030.08718.18
5.6.120.0170.07720.99
5.6.110.0130.07721.10
5.6.100.0130.03720.97
5.6.90.0070.06320.98
5.6.80.0030.06020.45
5.5.350.0100.07320.42
5.5.340.0130.03017.99
5.5.330.0100.08020.13
5.5.320.0370.07720.37
5.5.310.0200.08020.34
5.5.300.0030.04317.96
5.5.290.0100.04317.99
5.5.280.0070.09020.94
5.5.270.0070.08720.87
5.5.260.0030.04320.73
5.5.250.0030.04020.55
5.5.240.0170.04320.38
5.4.450.0200.04719.55
5.4.440.0300.04319.19
5.4.430.0230.04319.56
5.4.420.0430.04019.49
5.4.410.0270.04719.33
5.4.400.0370.03718.97
5.4.390.0400.04719.05
5.4.380.0100.06018.54
5.4.370.0230.05018.64
5.4.360.0170.05018.68
5.4.350.0030.06318.64
5.4.340.0200.04318.50
5.4.320.0070.03912.50
5.4.310.0050.03812.50
5.4.300.0060.03812.51
5.4.290.0050.04012.50
5.4.280.0040.03612.39
5.4.270.0040.03712.40
5.4.260.0070.03612.40
5.4.250.0050.04312.40
5.4.240.0030.04012.39
5.4.230.0060.03712.39
5.4.220.0070.03612.39
5.4.210.0060.03512.39
5.4.200.0050.03812.39
5.4.190.0050.03712.39
5.4.180.0050.03712.39
5.4.170.0040.03812.39
5.4.160.0060.03512.39
5.4.150.0080.03312.39
5.4.140.0060.03612.07
5.4.130.0090.03912.06
5.4.120.0060.03412.02
5.4.110.0030.04012.02
5.4.100.0030.03912.02
5.4.90.0060.03812.02
5.4.80.0090.03412.01
5.4.70.0040.03812.01
5.4.60.0070.03312.01
5.4.50.0050.03612.02
5.4.40.0060.03612.00
5.4.30.0060.03612.00
5.4.20.0080.03412.00
5.4.10.0070.04012.00
5.4.00.0050.03711.48
5.3.290.0080.05712.80
5.3.280.0060.03812.70
5.3.270.0050.03912.73
5.3.260.0030.04112.72
5.3.250.0030.04012.72
5.3.240.0070.03512.72
5.3.230.0060.03612.71
5.3.220.0030.03912.68
5.3.210.0040.04012.68
5.3.200.0070.04312.68
5.3.190.0050.03912.68
5.3.180.0070.03412.67
5.3.170.0060.03612.67
5.3.160.0050.03812.68
5.3.150.0050.03812.67
5.3.140.0070.03512.66
5.3.130.0060.04612.66
5.3.120.0090.03412.66
5.3.110.0070.03812.66
5.3.100.0060.03612.12
5.3.90.0080.04112.10
5.3.80.0040.03912.09
5.3.70.0060.03512.09
5.3.60.0070.03612.08
5.3.50.0060.04512.03
5.3.40.0100.04412.03
5.3.30.0100.05111.98
5.3.20.0080.04911.77
5.3.10.0090.04411.73
5.3.00.0080.03911.71
5.2.170.0040.0319.22
5.2.160.0050.0289.22
5.2.150.0060.0289.21
5.2.140.0040.0309.22
5.2.130.0050.0289.18
5.2.120.0040.0289.18
5.2.110.0020.0319.19
5.2.100.0040.0299.18
5.2.90.0060.0289.18
5.2.80.0040.0329.17
5.2.70.0010.0389.18
5.2.60.0040.0319.13
5.2.50.0060.0329.10
5.2.40.0040.0309.07
5.2.30.0030.0319.05
5.2.20.0030.0299.04
5.2.10.0060.0268.95
5.2.00.0020.0318.80
5.1.60.0050.0268.09
5.1.50.0040.0248.08
5.1.40.0060.0238.06
5.1.30.0050.0258.42
5.1.20.0070.0268.44
5.1.10.0040.0258.16
5.1.00.0030.0258.16
5.0.50.0030.0216.64
5.0.40.0040.0266.50
5.0.30.0020.0356.31
5.0.20.0040.0256.28
5.0.10.0040.0196.26
5.0.00.0050.0296.25
4.4.90.0010.0174.78
4.4.80.0020.0184.75
4.4.70.0040.0204.76
4.4.60.0000.0184.76
4.4.50.0030.0174.77
4.4.40.0020.0264.71
4.4.30.0040.0184.76
4.4.20.0040.0174.85
4.4.10.0020.0164.85
4.4.00.0040.0234.75
4.3.110.0010.0204.67
4.3.100.0050.0164.67
4.3.90.0050.0144.63
4.3.80.0010.0264.58
4.3.70.0050.0134.63
4.3.60.0020.0144.63
4.3.50.0050.0144.63
4.3.40.0050.0214.54
4.3.30.0030.0173.30
4.3.20.0020.0163.28
4.3.10.0000.0173.24
4.3.00.0030.02015.96

preferences:
49.52 ms | 401 KiB | 5 Q