3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Entity { private $a; private $b; private $c; private $d; public $e; public function __construct($a = 1, $b = 2, $c = 3) { } } echo serialize(new Entity()); echo PHP_EOL; $createInstance = ':O:1:"Entity":{}'; $obj = unserialize($createInstance); var_dump($obj);

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)
8.3.60.0000.01416.75
8.3.50.0110.00418.23
8.3.40.0090.00618.66
8.3.30.0090.00618.67
8.3.20.0000.00721.91
8.3.10.0040.00421.91
8.3.00.0060.00317.91
8.2.180.0100.00716.63
8.2.170.0090.00922.96
8.2.160.0100.00322.96
8.2.150.0000.00724.18
8.2.140.0100.00324.66
8.2.130.0070.00019.32
8.2.120.0070.00026.35
8.2.110.0090.00021.12
8.2.100.0050.00517.78
8.2.90.0000.00817.84
8.2.80.0090.00018.09
8.2.70.0050.00318.04
8.2.60.0060.00317.80
8.2.50.0060.00318.16
8.2.40.0030.00619.06
8.2.30.0000.00819.32
8.2.20.0040.00418.17
8.2.10.0050.00318.13
8.2.00.0000.00918.06
8.1.280.0110.00725.92
8.1.270.0000.00823.96
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00523.92
8.1.230.0040.00822.73
8.1.220.0000.00917.74
8.1.210.0060.00318.77
8.1.200.0030.00517.25
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0040.00418.59
8.1.160.0040.00418.84
8.1.150.0050.00320.74
8.1.140.0040.00417.52
8.1.130.0040.00419.05
8.1.120.0070.00017.43
8.1.110.0000.00717.38
8.1.100.0040.00417.41
8.1.90.0040.00417.29
8.1.80.0090.00017.36
8.1.70.0030.00317.40
8.1.60.0040.00717.58
8.1.50.0000.00817.52
8.1.40.0040.00417.48
8.1.30.0040.00417.58
8.1.20.0040.00417.65
8.1.10.0020.00517.57
8.1.00.0040.00417.53
8.0.300.0000.00719.89
8.0.290.0060.00316.75
8.0.280.0030.00318.44
8.0.270.0070.00017.37
8.0.260.0070.00417.18
8.0.250.0070.00316.91
8.0.240.0000.00716.98
8.0.230.0070.00017.02
8.0.220.0000.00716.91
8.0.210.0070.00016.74
8.0.200.0040.00416.92
8.0.190.0040.00416.95
8.0.180.0040.00416.95
8.0.170.0050.00316.91
8.0.160.0070.00016.97
8.0.150.0000.00716.83
8.0.140.0040.00416.90
8.0.130.0050.00013.33
8.0.120.0040.00416.82
8.0.110.0080.00016.71
8.0.100.0050.00316.92
8.0.90.0000.00716.87
8.0.80.0100.00816.94
8.0.70.0000.00716.70
8.0.60.0000.00716.96
8.0.50.0070.00016.76
8.0.30.0130.00917.18
8.0.20.0120.00817.40
8.0.10.0040.00416.97
8.0.00.0170.00516.63
7.4.330.0000.00516.82
7.4.320.0060.00016.46
7.4.300.0000.00616.59
7.4.290.0030.00316.45
7.4.280.0070.00316.51
7.4.270.0000.00716.43
7.4.260.0000.00716.56
7.4.250.0000.00716.57
7.4.240.0070.00016.53
7.4.230.0000.00716.51
7.4.220.0000.00716.61
7.4.210.0050.00916.56
7.4.200.0030.00316.59
7.4.160.0090.01016.58
7.4.140.0100.00917.86
7.4.130.0070.01016.64
7.4.120.0110.00816.51
7.4.110.0120.00616.61
7.4.100.0080.00816.35
7.4.90.0070.01016.54
7.4.80.0130.01019.39
7.4.70.0110.00516.55
7.4.60.0060.01016.46
7.4.50.0090.00416.58
7.4.40.0100.00616.57
7.4.00.0040.00914.75
7.3.330.0030.00313.39
7.3.320.0030.00313.15
7.3.310.0000.00716.17
7.3.300.0040.00416.29
7.3.290.0070.00016.29
7.3.280.0080.00916.30
7.3.260.0130.01116.32
7.3.240.0090.00916.34
7.3.230.0090.00916.35
7.3.210.0100.00716.29
7.3.200.0090.00616.32
7.3.190.0090.00916.50
7.3.180.0140.00316.33
7.3.170.0080.00916.38
7.3.160.0150.00416.27
7.2.330.0100.00716.71
7.2.320.0040.01316.36
7.2.310.0130.00616.75
7.2.300.0110.01116.45
7.2.290.0110.01316.71
7.2.40.1160.01317.97
7.2.30.0730.01218.07
7.2.20.0940.01018.04
7.2.10.0770.01017.70
7.2.00.0760.01317.98
7.1.200.0090.00015.82
7.1.160.0850.01016.70
7.1.150.0870.00816.81
7.1.140.0750.00616.83
7.1.130.1090.01316.92
7.1.120.0740.01217.02
7.1.110.0770.01016.20
7.1.100.0890.00915.76
7.1.90.0760.01016.16
7.1.80.0910.01416.26
7.1.70.1050.01515.24
7.1.60.0780.01333.27
7.1.50.1330.02032.87
7.1.40.1260.02032.43
7.1.30.1290.01332.66
7.1.20.2040.01332.77
7.1.10.0700.01114.64
7.1.00.0750.01314.85

preferences:
63.8 ms | 401 KiB | 5 Q