3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SerializableDomDocument extends DOMDocument { private $xmlData; public function __sleep(): array { $this->xmlData = $this->saveXML(); return ['xmlData']; } public function __wakeup(): void { $this->loadXML($this->xmlData); } } $dom = new SerializableDomDocument('1.0', 'UTF-8'); $dom->loadXML('<tag>value</tag>'); $serialized = serialize($dom); $unserialized = unserialize($serialized); echo "Serialized:\t$serialized\n-----------\nRestored:\t{$unserialized->saveXml()}";

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)
8.4.150.0020.00114.05
8.4.140.0200.00717.86
8.4.130.0060.00419.05
8.4.120.0080.01324.45
8.4.110.0100.00619.39
8.4.100.0060.00317.86
8.4.90.0140.00719.08
8.4.80.0150.00418.99
8.4.70.0200.00818.22
8.4.60.0260.00818.38
8.4.50.0280.00518.39
8.4.40.0240.00819.02
8.4.30.0210.00719.11
8.4.20.0290.00720.95
8.4.10.0210.00820.07
8.3.270.0090.01216.75
8.3.260.0100.01016.90
8.3.250.0080.01019.32
8.3.240.0110.00817.54
8.3.230.0130.00616.93
8.3.220.0120.00519.30
8.3.210.0230.00916.68
8.3.200.0150.00316.67
8.3.190.0210.00817.14
8.3.180.0200.01116.78
8.3.170.0240.00718.71
8.3.160.0210.01217.09
8.3.150.0210.01218.02
8.3.140.0170.01416.82
8.3.130.0200.00617.74
8.3.120.0170.00817.88
8.3.110.0220.00416.92
8.3.100.0230.00720.44
8.3.90.0250.00321.71
8.3.80.0210.00617.61
8.3.70.0350.00516.75
8.3.60.0280.00719.50
8.3.50.0250.00818.62
8.3.40.0240.00519.29
8.3.30.0160.00518.27
8.3.20.0090.00421.01
8.3.10.0080.00421.24
8.3.00.0060.00421.91
8.2.290.0110.00820.45
8.2.280.0140.00617.94
8.2.270.0210.00617.86
8.2.260.0140.00718.08
8.2.250.0170.00916.90
8.2.240.0170.00918.05
8.2.230.0200.00418.80
8.2.220.0210.00527.16
8.2.210.0200.00421.66
8.2.200.0160.00716.82
8.2.190.0210.00816.96
8.2.180.0180.00921.20
8.2.170.0160.00920.42
8.2.160.0250.00620.43
8.2.150.0180.00621.72
8.2.140.0200.00621.17
8.2.130.0180.01021.96
8.2.120.0160.00719.59
8.2.110.0150.00620.77
8.2.100.0230.00717.89
8.2.90.0220.00417.84
8.2.80.0230.00318.59
8.2.70.0220.00517.57
8.2.60.0160.00617.75
8.2.50.0170.00917.62
8.2.40.0140.00917.98
8.2.30.0230.00518.06
8.2.20.0130.00818.90
8.2.10.0180.00517.80
8.2.00.0180.00418.60
8.1.330.0130.00622.38
8.1.320.0170.00816.51
8.1.310.0140.01316.55
8.1.300.0230.00617.38
8.1.290.0180.00723.61
8.1.280.0180.01021.06
8.1.270.0200.00419.81
8.1.260.0170.00621.94
8.1.250.0190.00322.86
8.1.240.0150.00719.39
8.1.230.0180.00620.24
8.1.220.0110.00917.63
8.1.210.0170.00618.15
8.1.200.0160.00817.42
8.1.190.0180.00517.28
8.1.180.0170.00417.75
8.1.170.0180.00417.55
8.1.160.0170.00518.26
8.1.150.0160.00618.14
8.1.140.0140.00817.39
8.1.130.0250.00318.03
8.1.120.0160.00617.44
8.1.110.0170.00517.55
8.1.100.0180.00517.56
8.1.90.0170.00817.57
8.1.80.0090.00717.53
8.1.70.0150.00717.48
8.1.60.0180.00717.64
8.1.50.0230.00417.61
8.1.40.0180.00717.62
8.1.30.0170.00717.81
8.1.20.0110.00517.74
8.1.10.0200.00517.65
8.1.00.0160.00817.65
8.0.300.0110.00818.83
8.0.290.0180.00516.98
8.0.280.0160.00617.81
8.0.270.0180.00416.94
8.0.260.0180.00517.71
8.0.250.0150.00717.15
8.0.240.0170.00517.10
8.0.230.0170.00617.11
8.0.220.0130.00717.00
8.0.210.0150.00717.09
8.0.200.0170.00417.12
8.0.190.0150.00717.05
8.0.180.0140.00917.06
8.0.170.0180.00417.06
8.0.160.0170.00617.07
8.0.150.0140.00716.95
8.0.140.0160.00517.10
8.0.130.0180.00417.00
8.0.120.0160.00716.97
8.0.110.0200.00416.95
8.0.100.0190.00416.95
8.0.90.0170.00416.96
8.0.80.0150.00717.04
8.0.70.0140.00817.08
8.0.60.0140.00717.03
8.0.50.0160.00517.11
8.0.30.0170.00617.07
8.0.20.0170.00717.15
8.0.10.0160.00817.16
7.4.330.0160.00616.07
7.4.320.0140.00716.65
7.4.300.0120.00516.69
7.4.290.0130.00716.72
7.4.280.0150.00516.63
7.4.270.0180.00416.76
7.4.260.0160.00516.66
7.4.250.0160.00616.73
7.4.240.0180.00416.64
7.4.230.0190.00416.72
7.4.220.0150.00416.65
7.4.210.0170.00316.76
7.4.200.0140.00616.71
7.4.190.0150.00516.77
7.4.180.0140.00716.69
7.4.160.0130.00716.70
7.4.150.0130.00416.69
7.4.140.0110.00716.55
7.4.130.0100.00816.70
7.4.120.0110.00616.49
7.4.110.0140.00516.62
7.4.100.0120.00616.67
7.4.90.0140.00616.51
7.4.80.0160.00616.49
7.4.70.0150.00316.55
7.4.60.0140.00516.63
7.4.50.0120.00816.60
7.4.40.0150.00616.47
7.4.30.0160.00516.56
7.4.20.0120.00916.64
7.4.10.0110.00616.62
7.4.00.0150.00516.53

preferences:
42.46 ms | 403 KiB | 5 Q