3v4l.org

run code in 300+ PHP versions simultaneously
<?php class testClass_forSerialize implements Serializable{ public function serialize() { $ret = new \stdClass(); foreach($this as $k=>$v){ if ($v!==null) { $ret->{$k} = $v; } } $serializedData = serialize($ret); if (unserialize($serializedData)===false) { var_dump($serializedData); throw new \Exception("Serialize failed"); } return $serializedData; } public function unserialize($data) { $dataObj = unserialize($data); foreach($dataObj as $k=>$v) { $this->{$k} = $v; } } } class testClass_forSerialize_02 extends \testClass_forSerialize{ public $list = Array(); public function __construct() { for ($i=0; $i<10; $i++) { $this->list[] = new \testClass_forSerialize(); } } } $obj = new \testClass_forSerialize_02(); $ser = serialize($obj); $obj2 = unserialize($ser);
based on Pao0W

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)
8.0.30.0030.01817.12
8.0.20.0120.00817.40
8.0.00.0110.00716.64
7.4.150.0100.00717.40
7.4.140.0160.00317.86
7.4.130.0090.01116.65
7.4.120.0090.01016.54
7.4.110.0140.00616.82
7.4.100.0110.01116.60
7.4.90.0070.01116.46
7.4.80.0060.01319.39
7.4.70.0090.00916.50
7.4.60.0030.01316.52
7.4.50.0050.00016.52
7.4.40.0070.01016.73
7.4.30.0100.01316.66
7.4.00.0030.01015.10
7.3.270.0070.01117.40
7.3.260.0070.01016.44
7.3.250.0170.00316.57
7.3.240.0150.00316.51
7.3.230.0030.01416.64
7.3.210.0030.01316.43
7.3.200.0060.01219.39
7.3.190.0100.00716.54
7.3.180.0100.00616.57
7.3.170.0040.01216.45
7.3.160.0050.01016.35
7.2.330.0090.00916.52
7.2.320.0160.01416.86
7.2.310.0030.01316.54
7.2.300.0090.01216.41
7.2.290.0120.00616.84
7.2.60.0200.00716.80
7.1.200.0040.00415.79
7.1.70.0030.01316.86
7.1.60.0150.01119.57
7.1.50.0070.00717.01
7.1.00.0030.07722.46
7.0.200.0000.00716.93
7.0.140.0070.03022.07
7.0.70.0000.08721.79
7.0.60.0100.07721.72
7.0.50.0030.08322.11
7.0.40.0070.05720.04
7.0.30.0100.08020.05
7.0.20.0070.08020.05
7.0.10.0030.07320.07
7.0.00.0070.08320.09
5.6.280.0030.07321.00
5.6.220.0070.07320.59
5.6.210.0000.08720.65
5.6.200.0030.08721.09
5.6.190.0070.08721.07
5.6.180.0000.07721.04
5.6.170.0070.08721.06
5.6.160.0070.08321.03
5.6.150.0070.08321.13
5.6.140.0070.08021.02
5.6.130.0030.08021.03
5.6.120.0000.07321.06
5.6.110.0070.08720.93
5.6.100.0070.08021.05
5.6.90.0000.08721.12
5.6.80.0000.04320.53
5.6.70.0000.06320.55
5.6.60.0070.03720.29
5.6.50.0070.03320.39
5.6.40.0030.06320.47
5.6.30.0070.04320.38
5.6.20.0000.08020.38
5.6.10.0030.04020.40
5.6.00.0000.04320.42
5.5.360.0030.04320.39
5.5.350.0030.06320.43
5.5.340.0070.08020.89
5.5.330.0000.09320.93
5.5.320.0030.07720.88
5.5.310.0030.08020.83
5.5.300.0100.07020.65
5.5.290.0070.08320.91
5.5.280.0130.07720.77
5.5.270.0000.08020.89
5.5.260.0070.08320.86
5.5.250.0000.08020.71
5.5.240.0000.04320.31
5.5.230.0030.04020.27
5.5.220.0030.05020.30
5.5.210.0000.07320.29
5.5.200.0000.04020.16
5.5.190.0070.07720.24
5.5.180.0070.04720.13
5.5.160.0070.04720.19
5.5.150.0100.07320.13
5.5.140.0070.05320.28
5.5.130.0030.05320.00
5.5.120.0030.05320.23
5.5.110.0000.05020.27
5.5.100.0030.04020.11
5.5.90.0070.04320.12
5.5.80.0070.08020.16
5.5.70.0170.04020.15
5.5.60.0000.08020.11
5.5.50.0000.06319.97
5.5.40.0030.07720.09
5.5.30.0030.05320.16
5.5.20.0070.09320.11
5.5.10.0070.04720.04
5.5.00.0000.07720.12
5.4.450.0070.08319.49
5.4.440.0070.07019.20
5.4.430.0100.08019.45
5.4.420.0000.07719.16
5.4.410.0100.06719.22
5.4.400.0030.04319.25
5.4.390.0000.05719.21
5.4.380.0100.07318.88
5.4.370.0070.03319.09
5.4.360.0030.03718.85
5.4.350.0000.03718.84
5.4.340.0030.06718.95
5.4.320.0000.04719.09
5.4.310.0070.03318.85
5.4.300.0030.06319.12
5.4.290.0030.04019.04
5.4.280.0030.08318.90
5.4.270.0030.06019.09
5.4.260.0030.04019.04
5.4.250.0030.08019.15
5.4.240.0000.06319.20
5.4.230.0030.05019.20
5.4.220.0070.06319.04
5.4.210.0100.07319.02
5.4.200.0000.06319.12
5.4.190.0030.07319.15
5.4.180.0030.07319.12
5.4.170.0070.04719.17
5.4.160.0030.06719.20
5.4.150.0130.05319.02
5.4.140.0000.03716.46
5.4.130.0000.06716.47
5.4.120.0030.07316.38
5.4.110.0000.04716.66
5.4.100.0070.07016.48
5.4.90.0070.07316.41
5.4.80.0130.06016.38
5.4.70.0000.07316.43
5.4.60.0130.06316.54
5.4.50.0030.05016.52
5.4.40.0030.07716.42
5.4.30.0070.05716.30
5.4.20.0100.05316.50
5.4.10.0070.07016.53
5.4.00.0070.05015.75
5.3.290.0030.03714.64
5.3.280.0070.06314.59
5.3.270.0070.07314.74
5.3.260.0030.05014.66
5.3.250.0100.06714.65
5.3.240.0030.04014.59
5.3.230.0070.06314.56
5.3.220.0000.08014.67
5.3.210.0030.06714.69
5.3.200.0100.06714.55
5.3.190.0070.07314.59
5.3.180.0030.06314.59
5.3.170.0070.04714.65
5.3.160.0070.07714.71
5.3.150.0070.06714.56
5.3.140.0100.07014.71
5.3.130.0000.07314.64
5.3.120.0030.07714.55
5.3.110.0130.06014.61
5.3.100.0070.07014.08
5.3.90.0070.06313.98
5.3.80.0000.06714.07
5.3.70.0030.05313.98
5.3.60.0030.04313.94
5.3.50.0030.05314.09
5.3.40.0070.07713.88
5.3.30.0070.06013.93
5.3.20.0030.07713.71
5.3.10.0000.07313.77
5.3.00.0000.06313.73
5.2.170.0000.05712.43
5.2.160.0030.04012.43
5.2.150.0030.04312.43
5.2.140.0000.04012.43
5.2.130.0030.05712.43
5.2.120.0030.05312.43
5.2.110.0030.04312.43
5.2.100.0100.05012.43
5.2.90.0030.05312.43
5.2.80.0000.05012.43
5.2.70.0000.03712.43
5.2.60.0000.06012.43
5.2.50.0030.05312.43
5.2.40.0000.06712.43
5.2.30.0070.06012.43
5.2.20.0030.06012.43
5.2.10.0070.05012.43
5.2.00.0000.05312.43
5.1.60.0000.05712.43
5.1.50.0000.04012.43
5.1.40.0000.05312.43
5.1.30.0030.05712.43
5.1.20.0000.06012.43
5.1.10.0000.06012.43
5.1.00.0070.05312.43
5.0.50.0070.04312.43
5.0.40.0070.03712.43
5.0.30.0000.07012.43
5.0.20.0000.03312.43
5.0.10.0000.04712.43
5.0.00.0000.06312.43
4.4.90.0030.03312.43
4.4.80.0000.03712.43
4.4.70.0000.03712.43
4.4.60.0000.03712.43
4.4.50.0000.03012.43
4.4.40.0000.05712.43
4.4.30.0000.03012.43
4.4.20.0030.03312.43
4.4.10.0030.03012.43
4.4.00.0000.06012.43
4.3.110.0000.03312.43
4.3.100.0000.02712.43
4.3.90.0030.03312.43
4.3.80.0000.04712.43
4.3.70.0000.03712.43
4.3.60.0000.03312.43
4.3.50.0070.02312.43
4.3.40.0000.05312.43
4.3.30.0030.03312.43
4.3.20.0030.03712.43
4.3.10.0000.03712.43
4.3.00.0000.03712.43