3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $id; public function __construct() { $this->id = 1; } public function __toString() { return $id . ""; } public function setId($id) { $this->id = $id; } } $a = new Foo; // $a is a pointer pointing to Foo object 0 $b = $a; // $b is a pointer pointing to Foo object 0, however, $b is a copy of $a $a = new Foo(); $a->setId(231); var_dump($b); var_dump($a);

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
8.3.50.0140.00522.05
8.3.40.0070.01118.65
8.3.30.0110.00419.09
8.3.20.0040.00420.34
8.3.10.0040.00421.73
8.3.00.0080.00019.43
8.2.180.0030.01416.60
8.2.170.0090.00622.96
8.2.160.0060.00918.79
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0100.00726.16
8.2.120.0080.00021.03
8.2.110.0100.00021.07
8.2.100.0060.00617.91
8.2.90.0040.00417.91
8.2.80.0040.00418.03
8.2.70.0040.00417.93
8.2.60.0040.00419.53
8.2.50.0000.00818.16
8.2.40.0080.00022.19
8.2.30.0050.00219.19
8.2.20.0030.00617.56
8.2.10.0040.00418.04
8.2.00.0070.00017.72
8.1.280.0090.00625.92
8.1.270.0080.00024.02
8.1.260.0070.00026.35
8.1.250.0090.00628.09
8.1.240.0050.00522.13
8.1.230.0120.00420.83
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0060.00317.35
8.1.180.0000.00818.10
8.1.170.0040.00418.56
8.1.160.0040.00418.91
8.1.150.0000.00720.15
8.1.140.0060.00317.36
8.1.130.0030.00317.73
8.1.120.0070.00017.47
8.1.110.0000.00817.48
8.1.100.0000.00817.46
8.1.90.0000.00717.40
8.1.80.0040.00417.36
8.1.70.0000.00717.45
8.1.60.0060.00317.49
8.1.50.0040.00417.45
8.1.40.0030.00517.55
8.1.30.0080.00017.56
8.1.20.0040.00417.62
8.1.10.0000.00717.41
8.1.00.0040.00417.48
8.0.300.0040.00419.73
8.0.290.0000.00716.75
8.0.280.0000.00818.49
8.0.270.0070.00017.30
8.0.260.0030.00317.27
8.0.250.0030.00316.98
8.0.240.0000.00716.98
8.0.230.0000.00816.85
8.0.220.0000.00916.96
8.0.210.0040.00416.90
8.0.200.0030.00316.84
8.0.190.0060.00316.96
8.0.180.0040.00416.87
8.0.170.0000.00816.83
8.0.160.0040.00416.94
8.0.150.0040.00416.93
8.0.140.0000.01016.86
8.0.130.0000.00713.30
8.0.120.0000.00716.85
8.0.110.0040.00416.79
8.0.100.0000.00716.89
8.0.90.0000.00716.80
8.0.80.0100.00616.77
8.0.70.0030.00516.96
8.0.60.0040.00417.00
8.0.50.0040.00416.84
8.0.30.0160.00717.16
8.0.20.0080.01117.40
8.0.10.0040.00416.84
8.0.00.0080.00916.75
7.4.330.0050.00015.00
7.4.320.0030.00316.55
7.4.300.0040.00416.58
7.4.290.0030.00316.45
7.4.280.0060.00316.61
7.4.270.0000.00716.42
7.4.260.0030.00316.52
7.4.250.0000.00816.39
7.4.240.0020.00516.63
7.4.230.0030.00316.43
7.4.220.0150.00816.61
7.4.210.0140.00616.61
7.4.200.0000.00716.50
7.4.160.0080.00816.38
7.4.150.0140.00417.40
7.4.140.0040.01417.86
7.4.130.0080.01116.45
7.4.120.0060.01016.47
7.4.110.0070.01016.65
7.4.100.0110.00616.47
7.4.90.0080.00816.54
7.4.80.0060.01219.39
7.4.70.0130.00916.45
7.4.60.0070.01016.32
7.4.50.0030.00516.67
7.4.40.0080.00816.25
7.4.30.0080.00816.24
7.4.00.0030.00615.12
7.3.330.0000.00513.36
7.3.320.0060.00013.13
7.3.310.0070.00016.38
7.3.300.0070.00016.38
7.3.290.0060.00916.34
7.3.280.0110.00716.38
7.3.270.0030.01317.40
7.3.260.0150.00316.28
7.3.250.0120.00416.47
7.3.240.0000.01616.30
7.3.230.0030.01416.39
7.3.210.0000.01716.46
7.3.200.0070.01119.39
7.3.190.0070.01016.64
7.3.180.0060.00916.36
7.3.170.0060.01016.66
7.3.160.0070.01016.21
7.3.120.0100.00315.01
7.3.10.0140.00516.00
7.3.00.0100.00716.21
7.2.330.0100.00716.77
7.2.320.0090.00916.62
7.2.310.0060.00916.59
7.2.300.0140.00316.70
7.2.290.0110.00716.51
7.2.130.0160.00616.56
7.2.120.0170.00315.92
7.2.110.0120.00416.36
7.2.100.0080.00816.14
7.2.90.0100.00516.21
7.2.80.0200.01016.80
7.2.70.0190.00816.89
7.2.60.0170.00316.37
7.2.50.0120.01516.71
7.2.40.0130.00916.24
7.2.30.0240.00716.59
7.2.20.0240.00616.93
7.2.10.0120.01216.36
7.2.00.0070.01417.86
7.1.250.0130.00915.25
7.1.200.0060.00615.75
7.1.100.0030.01318.11
7.1.70.0070.01017.10
7.1.60.0040.00716.93
7.1.50.0030.02117.08
7.1.00.0000.08022.31
7.0.200.0000.01216.56
7.0.140.0030.07322.11
7.0.60.0030.07720.00
7.0.50.0070.04017.88
7.0.40.0070.04720.04
7.0.30.0170.04320.25
7.0.20.0370.06720.33
7.0.10.0030.09320.11
7.0.00.0100.07020.06
5.6.280.0000.07720.86
5.6.210.0070.07720.63
5.6.200.0130.06718.14
5.6.190.0130.07720.50
5.6.180.0600.05020.41
5.6.170.0270.07720.69
5.6.160.0030.05020.46
5.6.150.0030.07318.29
5.6.140.0030.07318.14
5.6.130.0130.07318.25
5.6.120.0070.04021.01
5.6.110.0030.05320.98
5.6.100.0070.05720.98
5.6.90.0070.09021.02
5.6.80.0130.07020.54
5.5.350.0030.03320.44
5.5.340.0170.06018.05
5.5.330.0070.06320.21
5.5.320.3870.04020.24
5.5.310.0230.08020.34
5.5.300.0100.08318.01
5.5.290.0100.07718.06
5.5.280.0170.08020.88
5.5.270.0070.08320.84
5.5.260.0030.07320.64
5.5.250.0070.06720.79
5.5.240.0030.07320.19
5.4.450.0970.06719.20
5.4.440.0500.04019.46
5.4.430.0730.04019.23
5.4.420.0030.06019.55
5.4.410.0170.05318.70
5.4.400.0200.06018.54
5.4.390.0730.07318.53
5.4.380.0100.04718.57
5.4.370.0100.04718.68
5.4.360.0030.05018.72
5.4.350.0100.03812.02
5.4.340.0080.03712.02
5.4.320.0110.04412.50
5.4.310.0050.03912.50
5.4.300.0060.03712.51
5.4.290.0040.03912.50
5.4.280.0040.03712.40
5.4.270.0110.04112.40
5.4.260.0030.04112.40
5.4.250.0090.03612.40
5.4.240.0080.03512.40
5.4.230.0080.03812.39
5.4.220.0090.04912.39
5.4.210.0090.03912.39
5.4.200.0050.03912.39
5.4.190.0090.03512.39
5.4.180.0050.04112.39
5.4.170.0060.03712.39
5.4.160.0030.04112.39
5.4.150.0050.03912.39
5.4.140.0030.04312.08
5.4.130.0090.04712.06
5.4.120.0100.04812.02
5.4.110.0080.03512.02
5.4.100.0080.03612.02
5.4.90.0100.03712.02
5.4.80.0050.03912.02
5.4.70.0080.03812.01
5.4.60.0090.03612.01
5.4.50.0060.03912.02
5.4.40.0060.03712.00
5.4.30.0060.03712.00
5.4.20.0050.03712.00
5.4.10.0060.03512.00
5.4.00.0070.03711.48
5.3.290.0050.04312.80
5.3.280.0040.04712.71
5.3.270.0060.03912.72
5.3.260.0060.04112.72
5.3.250.0070.03612.72
5.3.240.0050.03812.72
5.3.230.0050.03812.71
5.3.220.0070.03612.68
5.3.210.0040.04112.68
5.3.200.0050.03812.68
5.3.190.0060.03912.68
5.3.180.0060.03612.68
5.3.170.0060.03612.67
5.3.160.0050.03812.67
5.3.150.0070.03512.67
5.3.140.0040.03812.66
5.3.130.0060.03812.66
5.3.120.0040.04112.66
5.3.110.0060.03912.66
5.3.100.0070.04412.12
5.3.90.0050.04112.10
5.3.80.0090.04312.09
5.3.70.0040.03912.10
5.3.60.0060.03912.08
5.3.50.0050.03712.04
5.3.40.0090.03312.03
5.3.30.0100.04311.98
5.3.20.0060.03511.77
5.3.10.0050.03511.73
5.3.00.0030.03811.71
5.2.170.0060.0289.23
5.2.160.0060.0279.23
5.2.150.0040.0309.23
5.2.140.0050.0299.23
5.2.130.0050.0289.19
5.2.120.0050.0279.19
5.2.110.0050.0309.19
5.2.100.0070.0259.18
5.2.90.0050.0299.19
5.2.80.0030.0329.18
5.2.70.0050.0309.18
5.2.60.0060.0299.13
5.2.50.0050.0299.10
5.2.40.0050.0299.08
5.2.30.0080.0279.06
5.2.20.0050.0289.05
5.2.10.0050.0308.94
5.2.00.0060.0298.81
5.1.60.0040.0258.09
5.1.50.0030.0268.09
5.1.40.0050.0248.07
5.1.30.0050.0258.41
5.1.20.0060.0258.45
5.1.10.0040.0268.17
5.1.00.0070.0248.17
5.0.50.0030.0216.64
5.0.40.0040.0196.50
5.0.30.0110.0246.32
5.0.20.0040.0186.29
5.0.10.0030.0206.25
5.0.00.0040.0306.25
4.4.90.0030.0204.78
4.4.80.0040.0194.75
4.4.70.0030.0164.76
4.4.60.0010.0184.75
4.4.50.0020.0164.77
4.4.40.0030.0334.71
4.4.30.0020.0164.75
4.4.20.0030.0154.84
4.4.10.0020.0164.84
4.4.00.0020.0254.76
4.3.110.0030.0154.67
4.3.100.0040.0164.66
4.3.90.0020.0164.63
4.3.80.0020.0254.58
4.3.70.0040.0134.63
4.3.60.0030.0144.63
4.3.50.0020.0164.62
4.3.40.0030.0244.54
4.3.30.0040.0143.30
4.3.20.0020.0183.28
4.3.10.0060.0173.23
4.3.00.0000.02015.27

preferences:
34.18 ms | 401 KiB | 5 Q