3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ObjectWithReferences { private $var1; private $var2; public function __construct() { $this->var1 = new StdClass(); $this->var2 = $this->var1; } } class WrapperObject implements Serializable { private $obj; public function __construct($obj) { $this->obj = $obj; } public function getObject() { return $this->obj; } public function serialize() { return serialize($this->obj); } public function unserialize($serialized) { unserialize('O:8:"stdClass":0:{}'); $this->obj = unserialize($serialized); } } $wrapper = new WrapperObject(new ObjectWithReferences()); var_dump($wrapper->getObject()); $wrapper = unserialize(serialize($wrapper)); var_dump($wrapper->getObject());

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)
8.3.60.0070.00716.75
8.3.50.0140.00418.05
8.3.40.0110.00418.68
8.3.30.0110.00419.09
8.3.20.0000.00820.16
8.3.10.0080.00023.62
8.3.00.0080.00022.25
8.2.180.0060.00916.63
8.2.170.0110.00422.96
8.2.160.0140.00020.40
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0000.00722.20
8.2.110.0130.00722.25
8.2.100.0070.00417.84
8.2.90.0000.00819.21
8.2.80.0050.00317.97
8.2.70.0000.00917.36
8.2.60.0000.01017.78
8.2.50.0060.00618.07
8.2.40.0000.00718.22
8.2.30.0040.00418.14
8.2.20.0000.00717.77
8.2.10.0080.00019.37
8.2.00.0060.00617.79
8.1.270.0000.00919.00
8.1.260.0060.00326.35
8.1.250.0060.00328.09
8.1.240.0030.00620.93
8.1.230.0080.00317.64
8.1.220.0060.00617.74
8.1.210.0000.00918.77
8.1.200.0060.00317.47
8.1.190.0050.00317.66
8.1.180.0040.00418.10
8.1.170.0050.00318.64
8.1.160.0090.00022.08
8.1.150.0060.00318.59
8.1.140.0050.00317.59
8.1.130.0030.00517.84
8.1.120.0050.00217.39
8.1.110.0070.00017.37
8.1.100.0040.00417.45
8.1.90.0000.00717.44
8.1.80.0000.00717.55
8.1.70.0000.00717.37
8.1.60.0040.00417.55
8.1.50.0000.00817.40
8.1.40.0000.00817.57
8.1.30.0040.00417.55
8.1.20.0070.00017.61
8.1.10.0070.00017.59
8.1.00.0000.00717.43
8.0.300.0000.00918.78
8.0.290.0000.00716.75
8.0.280.0030.00318.47
8.0.270.0030.00717.30
8.0.260.0030.00316.95
8.0.250.0030.00316.96
8.0.240.0000.00717.04
8.0.230.0030.00316.93
8.0.220.0000.00717.00
8.0.210.0040.00416.97
8.0.200.0000.00716.97
8.0.190.0040.00416.94
8.0.180.0030.00317.03
8.0.170.0040.00417.00
8.0.160.0070.00016.92
8.0.150.0040.00416.84
8.0.140.0050.00216.84
8.0.130.0060.00013.30
8.0.120.0050.00316.96
8.0.110.0040.00417.02
8.0.100.0040.00416.97
8.0.90.0050.00216.95
8.0.80.0030.01416.93
8.0.70.0000.00716.93
8.0.60.0030.00516.98
8.0.50.0000.00816.80
8.0.30.0130.00817.15
8.0.20.0110.00817.40
8.0.10.0050.00317.12
8.0.00.0140.00616.58
7.4.330.0000.00515.00
7.4.320.0030.00316.59
7.4.300.0000.00616.54
7.4.290.0040.00416.55
7.4.280.0000.00716.63
7.4.270.0000.00716.50
7.4.260.0000.00816.61
7.4.250.0080.00016.63
7.4.240.0060.00216.59
7.4.230.0040.00416.74
7.4.220.0120.00616.71
7.4.210.0090.00816.49
7.4.200.0030.00316.42
7.4.190.0060.00316.49
7.4.160.0090.00916.53
7.4.150.0160.00317.40
7.4.140.0090.00817.86
7.4.130.0150.00616.62
7.4.120.0110.00916.55
7.4.110.0070.01016.56
7.4.100.0060.01216.49
7.4.90.0180.00016.61
7.4.80.0060.01219.39
7.4.70.0070.01016.68
7.4.60.0150.00716.48
7.4.50.0050.00516.40
7.4.40.0000.01822.77
7.4.30.0120.00316.47
7.4.00.0000.01714.77
7.3.330.0000.00613.17
7.3.320.0000.00513.09
7.3.310.0070.00016.36
7.3.300.0000.00716.38
7.3.290.0070.01416.27
7.3.280.0040.01416.33
7.3.270.0070.01017.40
7.3.260.0170.00016.56
7.3.250.0090.00916.39
7.3.240.0040.01416.37
7.3.230.0040.01216.39
7.3.210.0100.00716.30
7.3.200.0060.01119.39
7.3.190.0110.00816.39
7.3.180.0060.01416.43
7.3.170.0120.00416.52
7.3.160.0100.00616.24
7.3.120.0030.01015.08
7.3.110.0030.01314.65
7.3.100.0090.00614.67
7.3.90.0060.01214.91
7.3.80.0000.01714.74
7.3.70.0040.01114.77
7.3.60.0030.01014.95
7.3.50.0000.01614.93
7.3.40.0040.01514.80
7.3.30.0060.00914.81
7.3.20.0090.00616.82
7.3.10.0090.00316.54
7.3.00.0030.00616.61
7.2.330.0030.01516.88
7.2.320.0040.01416.70
7.2.310.0060.01516.47
7.2.300.0110.00716.88
7.2.290.0130.00316.62
7.2.240.0090.00514.99
7.2.230.0060.01015.20
7.2.220.0040.01214.68
7.2.210.0060.01214.95
7.2.200.0110.00715.10
7.2.190.0040.01414.95
7.2.180.0130.00715.23
7.2.170.0060.00914.93
7.2.160.0030.01215.01
7.2.150.0080.00817.10
7.2.140.0000.01116.60
7.2.130.0120.00316.86
7.2.120.0090.00616.93
7.2.110.0090.00316.93
7.2.100.0070.01116.91
7.2.90.0030.01317.17
7.2.80.0070.00716.75
7.2.70.0120.00316.89
7.2.60.0070.00617.06
7.2.50.0090.00317.04
7.2.40.0100.00616.95
7.2.30.0070.01117.22
7.2.20.0060.01616.86
7.2.10.0070.01516.77
7.2.00.0100.00716.87
7.1.330.0070.00715.70
7.1.320.0000.01315.76
7.1.310.0080.00415.90
7.1.300.0030.01015.89
7.1.290.0070.00315.45
7.1.280.0060.00615.60
7.1.270.0090.00315.53
7.1.260.0060.00915.64
7.1.250.0150.00015.91
7.1.200.0140.00715.83
7.1.70.0040.00417.25
7.1.60.0180.00719.29
7.1.50.0170.00716.94
7.1.00.0000.08022.26
7.0.200.0020.00516.50
7.0.140.0070.07022.12
7.0.80.0630.06719.99
7.0.70.0470.05319.95
7.0.60.0530.09020.09
7.0.50.0400.08020.22
7.0.40.0070.09020.17
7.0.30.0170.07720.09
7.0.20.0070.07320.14
7.0.10.0130.07320.17
7.0.00.0030.05019.91
5.6.230.0170.05020.63
5.6.220.0170.07720.48
5.6.210.0030.08320.70
5.6.200.0070.09021.05
5.6.190.0070.07721.04
5.6.180.0070.08721.05
5.6.170.0100.04720.96
5.6.160.0170.07021.11
5.6.150.0130.08021.06
5.6.140.0070.05021.14
5.6.130.0000.05720.94
5.6.120.0070.05021.04
5.6.110.0030.07721.04
5.6.100.0070.05021.06
5.6.90.0030.08721.09
5.6.80.0000.07720.40
5.6.70.0030.06020.39
5.6.60.0100.07320.43
5.6.50.0030.08320.45
5.6.40.0100.07720.45
5.6.30.0030.05020.48
5.6.20.0070.08020.50
5.6.10.0070.08320.30
5.6.00.0100.07720.36
5.5.370.0100.04020.36
5.5.360.0100.08720.33
5.5.350.0030.08720.39
5.5.340.0170.08020.80
5.5.330.0170.07320.89
5.5.320.0070.08720.88
5.5.310.0070.08320.85
5.5.300.0070.08020.77
5.5.290.0130.08320.93
5.5.280.0070.05020.91
5.5.270.0070.08320.84
5.5.260.0170.06720.91
5.5.250.0130.07720.46
5.5.240.0030.08720.27
5.5.230.0030.08320.23
5.5.220.0030.06720.27
5.5.210.0100.03720.28
5.5.200.0170.07020.01
5.5.190.0170.03020.20
5.5.180.0130.04020.14
5.5.160.0030.08320.20
5.5.150.0100.06320.20
5.5.140.0130.03720.19
5.5.130.0030.08320.00
5.5.120.0130.07320.20
5.5.110.0000.08320.00
5.5.100.0070.04720.19
5.5.90.0130.04320.14
5.5.80.0170.06320.02
5.5.70.0100.08019.95
5.5.60.0130.05719.98
5.5.50.0070.06720.16
5.5.40.0000.07720.11
5.5.30.0070.05320.09
5.5.20.0030.08720.14
5.5.10.0100.07720.14
5.5.00.0100.07020.01
5.4.450.0100.08019.48
5.4.440.0070.08019.20
5.4.430.0100.04019.50
5.4.420.0030.08319.19
5.4.410.0170.07019.43
5.4.400.0170.07019.09
5.4.390.0070.08019.09
5.4.380.0170.06018.88
5.4.370.0100.05019.13
5.4.360.0070.06019.05
5.4.350.0170.06018.96
5.4.340.0070.07719.13
5.4.320.0070.05019.21
5.4.310.0070.06319.13
5.4.300.0030.07018.84
5.4.290.0000.07719.13
5.4.280.0100.04718.84
5.4.270.0070.03718.94
5.4.260.0100.07019.23
5.4.250.0000.08319.23
5.4.240.0070.08018.87
5.4.230.0070.06319.13
5.4.220.0130.07018.84
5.4.210.0070.04319.11
5.4.200.0030.05319.15
5.4.190.0130.07319.17
5.4.180.0100.05319.24
5.4.170.0100.07318.86
5.4.160.0030.05019.12
5.4.150.0170.04318.92
5.4.140.0130.06716.25
5.4.130.0030.07316.41
5.4.120.0200.05316.46
5.4.110.0100.06716.47
5.4.100.0100.07016.34
5.4.90.0070.07716.45
5.4.80.0130.06716.26
5.4.70.0100.04716.28
5.4.60.0000.04716.37
5.4.50.0070.07016.33
5.4.40.0000.07016.38
5.4.30.0070.07316.32
5.4.20.0070.06716.24
5.4.10.0070.07016.36
5.4.00.0070.07315.90
5.3.290.0030.07014.80
5.3.280.0130.07314.54
5.3.270.0030.06314.68
5.3.260.0070.07714.68
5.3.250.0170.05314.64
5.3.240.0070.05014.63
5.3.230.0030.06314.64
5.3.220.0230.05714.67
5.3.210.0130.06714.57
5.3.200.0100.07014.70
5.3.190.0100.07314.64
5.3.180.0100.07014.56
5.3.170.0070.07314.54
5.3.160.0030.04014.63
5.3.150.0000.07314.61
5.3.140.0070.05314.64
5.3.130.0000.08314.70
5.3.120.0130.07014.69
5.3.110.0100.03314.66
5.3.100.0070.03714.04
5.3.90.0100.07314.14
5.3.80.0070.05714.14
5.3.70.0130.07314.09
5.3.60.0100.07313.92
5.3.50.0070.07313.85
5.3.40.0070.07313.93
5.3.30.0030.04013.99
5.3.20.0000.06013.82
5.3.10.0070.06313.60
5.3.00.0100.07013.71
5.2.170.0170.05011.71
5.2.160.0030.05011.71
5.2.150.0070.03311.71
5.2.140.0030.06711.71
5.2.130.0030.05711.71
5.2.120.0030.04311.71
5.2.110.0070.05711.71
5.2.100.0000.06311.71
5.2.90.0130.05311.71
5.2.80.0130.05711.71
5.2.70.0070.05311.71
5.2.60.0030.06011.71
5.2.50.0000.06711.71
5.2.40.0000.04711.71
5.2.30.0030.06011.71
5.2.20.0100.06011.71
5.2.10.0000.06711.71
5.2.00.0100.05311.71
5.1.60.0130.04311.71
5.1.50.0070.04011.71
5.1.40.0030.05011.71
5.1.30.0070.03311.71
5.1.20.0070.05311.71
5.1.10.0030.06311.71
5.1.00.0030.04711.71
5.0.50.0030.03011.71
5.0.40.0000.04711.71
5.0.30.0070.06011.71
5.0.20.0070.03711.71
5.0.10.0070.03711.71
5.0.00.0030.05711.71
4.4.90.0070.03011.71
4.4.80.0000.02711.71
4.4.70.0030.02311.71
4.4.60.0030.03711.71
4.4.50.0030.01711.71
4.4.40.0000.05311.71
4.4.30.0000.03711.71
4.4.20.0000.03311.71
4.4.10.0030.02311.71
4.4.00.0000.04711.71
4.3.110.0030.03311.71
4.3.100.0000.02311.71
4.3.90.0000.02311.71
4.3.80.0070.04711.71
4.3.70.0030.02711.71
4.3.60.0000.03711.71
4.3.50.0000.02711.71
4.3.40.0000.05011.71
4.3.30.0000.03711.71
4.3.20.0000.03311.71
4.3.10.0030.03011.71
4.3.00.0070.02711.71

preferences:
63.66 ms | 400 KiB | 5 Q