3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ObjectWithReferences { protected $var1; protected $var2; protected $var3; public function __construct() { $this->var1 = new StdClass(); $this->var2 = null; $this->var3 = $this->var1; } } class WrapperObject implements Serializable { static $tempstorage; protected $obj; public function setObject($obj) { $this->obj = $obj; } public function getObject() { if (is_string($this->obj)) { $this->obj = unserialize($this->obj); } return $this->obj; } public function save() { $archive = (object) [ 'object' => is_string($this->obj) ? $this->obj : serialize($this->obj), ]; static::$tempstorage = json_encode($archive); var_dump("Serialized:", static::$tempstorage); } public function load() { $archive = json_decode(static::$tempstorage); $this->obj = $archive->object; } public function serialize() { $this->save(false); return "wrapper!"; // Doesn't actually matter here. } public function unserialize($serialized) { $this->load(); } } $owr = new ObjectWithReferences(); $wrapper = new WrapperObject(); $wrapper->setObject($owr); $wrapper->save(); $wrapper->load(); var_dump($wrapper->getObject()); $serialized = serialize($wrapper); $wrapper = unserialize($serialized); 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)
8.3.70.0120.00318.33
8.3.60.0080.00818.56
8.3.50.0160.00321.14
8.3.40.0120.00618.98
8.3.30.0060.01219.04
8.3.20.0070.00020.16
8.3.10.0040.00421.92
8.3.00.0050.00322.44
8.2.190.0160.00616.75
8.2.180.0140.00716.75
8.2.170.0060.00922.96
8.2.160.0170.00320.50
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0050.00326.16
8.2.120.0040.01519.78
8.2.110.0070.00322.20
8.2.100.0110.00019.23
8.2.90.0050.00319.17
8.2.80.0000.00819.21
8.2.70.0030.00617.62
8.2.60.0030.00618.05
8.2.50.0040.00418.07
8.2.40.0080.00018.03
8.2.30.0000.00718.21
8.2.20.0070.00017.66
8.2.10.0030.00617.71
8.2.00.0040.00417.78
8.1.280.0130.00725.92
8.1.270.0060.00320.48
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.86
8.1.230.0000.01119.16
8.1.220.0000.00917.74
8.1.210.0000.00818.77
8.1.200.0030.00717.36
8.1.190.0040.00417.43
8.1.180.0050.00319.02
8.1.170.0030.00518.66
8.1.160.0040.00422.17
8.1.150.0070.00018.78
8.1.140.0050.00217.40
8.1.130.0000.00717.73
8.1.120.0040.00417.40
8.1.110.0000.00717.50
8.1.100.0000.00717.47
8.1.90.0070.00017.43
8.1.80.0070.00017.53
8.1.70.0030.00317.36
8.1.60.0000.00817.50
8.1.50.0040.00417.52
8.1.40.0040.00417.52
8.1.30.0000.00717.66
8.1.20.0000.00817.65
8.1.10.0000.00817.60
8.1.00.0030.00517.52
8.0.300.0070.00018.77
8.0.290.0070.00017.18
8.0.280.0030.00318.55
8.0.270.0030.00317.16
8.0.260.0000.00716.91
8.0.250.0030.00317.09
8.0.240.0040.00416.98
8.0.230.0080.00017.04
8.0.220.0080.00016.91
8.0.210.0040.00416.97
8.0.200.0000.00616.94
8.0.190.0000.00817.05
8.0.180.0070.00317.08
8.0.170.0000.00916.94
8.0.160.0040.00417.03
8.0.150.0070.00016.89
8.0.140.0000.00816.96
8.0.130.0000.00713.46
8.0.120.0000.00816.86
8.0.110.0050.00216.96
8.0.100.0000.00716.87
8.0.90.0050.00217.10
8.0.80.0070.01016.95
8.0.70.0020.00517.05
8.0.60.0000.00817.04
8.0.50.0040.00416.86
8.0.30.0070.01217.28
8.0.20.0150.00717.40
8.0.10.0040.00417.00
8.0.00.0090.00916.94
7.4.330.0000.00515.00
7.4.320.0000.00616.62
7.4.300.0000.00716.64
7.4.290.0000.00816.56
7.4.280.0070.00016.44
7.4.270.0040.00416.58
7.4.260.0000.00816.50
7.4.250.0080.00016.44
7.4.240.0060.00116.50
7.4.230.0030.00316.71
7.4.220.0170.01016.73
7.4.210.0090.00916.58
7.4.200.0070.00016.66
7.4.190.0030.00316.81
7.4.160.0080.00816.70
7.4.150.0150.00317.40
7.4.140.0110.00717.86
7.4.130.0090.00816.47
7.4.120.0090.00916.65
7.4.110.0130.00916.63
7.4.100.0070.01716.50
7.4.90.0190.00016.60
7.4.80.0070.01419.39
7.4.70.0060.01116.39
7.4.60.0060.01016.41
7.4.50.0000.00516.59
7.4.40.0100.00722.77
7.4.30.0060.01216.36
7.4.00.0070.01014.88
7.3.330.0000.00513.28
7.3.320.0020.00213.44
7.3.310.0040.00416.46
7.3.300.0030.00316.42
7.3.290.0150.00316.42
7.3.280.0030.01316.42
7.3.270.0110.00617.40
7.3.260.0070.01716.48
7.3.250.0150.00316.48
7.3.240.0090.00916.63
7.3.230.0040.01416.59
7.3.210.0120.00616.48
7.3.200.0060.01219.39
7.3.190.0060.01116.41
7.3.180.0030.01316.58
7.3.170.0100.00616.49
7.3.160.0120.00616.47
7.3.120.0040.01215.06
7.3.110.0030.01414.68
7.3.100.0070.00715.05
7.3.90.0080.00514.85
7.3.80.0070.00714.82
7.3.70.0040.01114.76
7.3.60.0000.00914.91
7.3.50.0070.00714.54
7.3.40.0070.00714.74
7.3.30.0140.00714.49
7.3.20.0030.01216.40
7.3.10.0050.00616.83
7.3.00.0080.00316.66
7.2.330.0110.01516.54
7.2.320.0080.01016.79
7.2.310.0140.00316.85
7.2.300.0100.00716.64
7.2.290.0080.00816.86
7.2.250.0120.00615.12
7.2.240.0130.00715.12
7.2.230.0070.01015.04
7.2.220.0030.00815.21
7.2.210.0000.01114.91
7.2.200.0030.01315.24
7.2.190.0040.01114.94
7.2.180.0070.00315.07
7.2.170.0090.01215.02
7.2.130.0030.01016.69
7.2.120.0000.01317.00
7.2.110.0030.01016.68
7.2.100.0060.00316.77
7.2.90.0060.00916.88
7.2.80.0040.00916.68
7.2.70.0070.00317.15
7.2.60.0030.01016.91
7.2.50.0000.01516.61
7.2.40.0000.01416.96
7.2.30.0030.01017.18
7.2.20.0040.01117.08
7.2.10.0060.00917.03
7.2.00.0000.01516.90
7.1.330.0070.00715.89
7.1.320.0060.00915.73
7.1.310.0030.00915.73
7.1.300.0040.00715.75
7.1.290.0120.00315.71
7.1.280.0070.00715.56
7.1.270.0000.01715.84
7.1.260.0040.01115.71
7.1.250.0000.01516.06
7.1.200.0060.00615.68
7.1.70.0070.00017.05
7.1.60.0060.00619.82
7.1.50.0110.01517.15
7.1.00.0030.03722.28
7.0.200.0030.00716.70
7.0.140.0070.06722.09
7.0.90.0100.05319.96
7.0.80.0030.05019.90
7.0.70.0100.07019.94
7.0.60.0200.06719.93
7.0.50.0070.04020.38
7.0.40.0030.04020.04
7.0.30.0070.05320.13
7.0.20.0070.08020.16
7.0.10.0030.09020.12
7.0.00.0100.03720.09
5.6.280.0030.07320.88
5.6.240.0100.04720.64
5.6.230.0070.08720.45
5.6.220.0230.07020.54
5.6.210.0070.04720.43
5.6.200.0030.05021.05
5.6.190.0130.07721.05
5.6.180.0100.07721.18
5.6.170.0170.06021.14
5.6.160.0130.07021.01
5.6.150.0200.06021.15
5.6.140.0100.06721.12
5.6.130.0100.08021.03
5.6.120.0070.06021.10
5.6.110.0000.08021.17
5.6.100.0070.07020.95
5.6.90.0170.07321.16
5.6.80.0130.04020.39
5.6.70.0070.05020.32
5.6.60.0100.07020.48
5.6.50.0100.04720.50
5.6.40.0070.04720.40
5.6.30.0130.04020.40
5.6.20.0070.07020.40
5.6.10.0030.07720.39
5.6.00.0030.07720.41
5.5.380.0070.06020.33
5.5.370.0030.04720.35
5.5.360.0100.04720.46
5.5.350.0170.07720.39
5.5.340.0030.08020.79
5.5.330.0070.07720.93
5.5.320.0070.08020.88
5.5.310.0130.08020.82
5.5.300.0000.05720.75
5.5.290.0130.05320.85
5.5.280.0000.05020.94
5.5.270.0100.05020.84
5.5.260.0130.07320.89
5.5.250.0070.09020.73
5.5.240.0070.07720.21
5.5.230.0030.08320.23
5.5.220.0100.07320.22
5.5.210.0070.07020.19
5.5.200.0100.08020.14
5.5.190.0270.03320.27
5.5.180.0130.05320.18
5.5.160.0070.08020.31
5.5.150.0130.07320.27
5.5.140.0100.07020.18
5.5.130.0130.06320.26
5.5.120.0100.07320.31
5.5.110.0070.07720.27
5.5.100.0100.08320.01
5.5.90.0030.04020.13
5.5.80.0170.07020.16
5.5.70.0130.07020.12
5.5.60.0100.04320.10
5.5.50.0130.06720.17
5.5.40.0030.05720.09
5.5.30.0030.05719.94
5.5.20.0000.06020.09
5.5.10.0170.06320.12
5.5.00.0200.06320.05
5.4.450.0100.04719.45
5.4.440.0030.04719.38
5.4.430.0000.08019.53
5.4.420.0100.05719.46
5.4.410.0100.05719.04
5.4.400.0070.04719.01
5.4.390.0070.05018.84
5.4.380.0030.05019.13
5.4.370.0030.08019.05
5.4.360.0130.05719.04
5.4.350.0130.07018.91
5.4.340.0170.04319.18
5.4.320.0130.07019.05
5.4.310.0130.07019.09
5.4.300.0070.08019.04
5.4.290.0000.05019.22
5.4.280.0030.04018.95
5.4.270.0070.07719.16
5.4.260.0200.06319.03
5.4.250.0030.05719.16
5.4.240.0070.07019.04
5.4.230.0030.05019.17
5.4.220.0070.05019.16
5.4.210.0100.06019.22
5.4.200.0100.04719.25
5.4.190.0070.07719.17
5.4.180.0070.08319.11
5.4.170.0070.07319.02
5.4.160.0030.08019.18
5.4.150.0030.04719.16
5.4.140.0030.04316.16
5.4.130.0030.04316.36
5.4.120.0100.04016.29
5.4.110.0100.07016.44
5.4.100.0030.07316.48
5.4.90.0100.07016.51
5.4.80.0100.03716.44
5.4.70.0100.07016.36
5.4.60.0130.07016.43
5.4.50.0100.07016.45
5.4.40.0000.04316.45
5.4.30.0100.07016.48
5.4.20.0030.04716.36
5.4.10.0130.06016.30
5.4.00.0030.04715.81
5.3.290.0170.05314.82
5.3.280.0070.07314.68
5.3.270.0070.04314.59
5.3.260.0030.08014.68
5.3.250.0100.07314.55
5.3.240.0030.07014.62
5.3.230.0100.06714.66
5.3.220.0100.06714.63
5.3.210.0000.05014.64
5.3.200.0000.04714.71
5.3.190.0030.07014.61
5.3.180.0000.04014.52
5.3.170.0030.08014.68
5.3.160.0070.07314.64
5.3.150.0100.07314.70
5.3.140.0030.05714.53
5.3.130.0100.07714.59
5.3.120.0030.07314.58
5.3.110.0030.05314.49
5.3.100.0070.08014.12
5.3.90.0170.05714.02
5.3.80.0230.06014.07
5.3.70.0030.07314.02
5.3.60.0070.05314.00
5.3.50.0070.04013.89
5.3.40.0070.06313.97
5.3.30.0000.04313.92
5.3.20.0030.07313.75
5.3.10.0030.07313.59
5.3.00.0000.07713.58
5.2.170.0070.03011.16
5.2.160.0000.06311.07
5.2.150.0130.03011.20
5.2.140.0070.02711.04
5.2.130.0070.03711.13
5.2.120.0030.03011.16
5.2.110.0070.06011.16
5.2.100.0130.02311.01
5.2.90.0030.05011.12
5.2.80.0030.05710.99
5.2.70.0100.05711.24
5.2.60.0030.06711.06
5.2.50.0030.05011.05
5.2.40.0000.05710.87
5.2.30.0070.06010.91
5.2.20.0100.03710.91
5.2.10.0100.03310.93
5.2.00.0070.06710.78
5.1.60.0030.05010.00
5.1.50.0000.05010.10
5.1.40.0070.0479.87
5.1.30.0030.03710.38
5.1.20.0100.05310.31
5.1.10.0100.05310.14
5.1.00.0070.03710.17
5.0.50.0000.0508.70
5.0.40.0000.0508.53
5.0.30.0000.0678.23
5.0.20.0000.0238.31
5.0.10.0000.0278.17
5.0.00.0000.0338.23
4.4.90.0000.0237.02
4.4.80.0030.0177.02
4.4.70.0030.0207.02
4.4.60.0000.0377.02
4.4.50.0130.0237.02
4.4.40.0030.0507.02
4.4.30.0070.0277.02
4.4.20.0100.0277.02
4.4.10.0000.0237.02
4.4.00.0030.0537.02
4.3.110.0030.0277.02
4.3.100.0000.0207.02
4.3.90.0000.0337.02
4.3.80.0000.0577.02
4.3.70.0000.0337.02
4.3.60.0100.0277.02
4.3.50.0000.0207.02
4.3.40.0000.0577.02
4.3.30.0000.0407.02
4.3.20.0030.0337.02
4.3.10.0000.0277.02
4.3.00.0000.0377.02

preferences:
51.79 ms | 401 KiB | 5 Q