3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Entity { private $a; private $b; private $c; public function __construct($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)
8.3.60.0090.00616.63
8.3.50.0060.00918.02
8.3.40.0040.01118.72
8.3.30.0100.00718.79
8.3.20.0040.00421.95
8.3.10.0040.00421.78
8.3.00.0050.00317.90
8.2.180.0000.01616.88
8.2.170.0120.00622.96
8.2.160.0110.00422.96
8.2.150.0000.00724.18
8.2.140.0110.00424.66
8.2.130.0080.00019.30
8.2.120.0040.00426.35
8.2.110.0030.00622.31
8.2.100.0040.00721.20
8.2.90.0080.00017.88
8.2.80.0060.00318.69
8.2.70.0040.00417.80
8.2.60.0030.00517.63
8.2.50.0080.00017.55
8.2.40.0040.00419.23
8.2.30.0070.00019.31
8.2.20.0000.00717.99
8.2.10.0040.00418.07
8.2.00.0040.00417.94
8.1.270.0040.00423.92
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0090.00023.92
8.1.230.0040.00719.07
8.1.220.0050.00317.91
8.1.210.0040.00418.77
8.1.200.0050.00317.23
8.1.190.0050.00318.88
8.1.180.0000.00818.10
8.1.170.0040.00419.01
8.1.160.0000.00818.76
8.1.150.0000.00720.68
8.1.140.0000.00717.64
8.1.130.0060.00319.04
8.1.120.0050.00317.33
8.1.110.0050.00317.36
8.1.100.0070.00017.39
8.1.90.0000.00817.38
8.1.80.0030.00617.38
8.1.70.0030.00317.29
8.1.60.0000.01217.48
8.1.50.0080.00017.40
8.1.40.0000.00717.56
8.1.30.0040.00417.54
8.1.20.0040.00417.66
8.1.10.0050.00317.56
8.1.00.0030.00617.51
8.0.300.0000.00718.77
8.0.290.0050.00316.75
8.0.280.0080.00018.44
8.0.270.0030.00317.13
8.0.260.0000.00717.18
8.0.250.0060.00316.96
8.0.240.0030.00516.97
8.0.230.0030.00316.84
8.0.220.0000.00716.88
8.0.210.0030.00516.91
8.0.200.0000.00716.94
8.0.190.0040.00416.99
8.0.180.0030.00416.93
8.0.170.0040.00416.93
8.0.160.0030.00316.85
8.0.150.0040.00416.82
8.0.140.0040.00416.85
8.0.130.0060.00013.28
8.0.120.0040.00416.80
8.0.110.0030.00516.97
8.0.100.0000.00716.88
8.0.90.0070.00016.69
8.0.80.0080.00816.85
8.0.70.0000.00716.75
8.0.60.0000.00716.71
8.0.50.0000.00916.95
8.0.30.0080.01017.18
8.0.20.0200.02917.40
8.0.10.0000.00717.04
8.0.00.0170.00516.76
7.4.330.0050.00016.67
7.4.320.0060.00016.48
7.4.300.0060.00016.48
7.4.290.0000.00816.51
7.4.280.0050.00516.58
7.4.270.0070.00016.61
7.4.260.0000.00716.58
7.4.250.0080.00016.49
7.4.240.0000.00716.54
7.4.230.0040.00416.35
7.4.220.0050.00316.71
7.4.210.0060.01116.47
7.4.200.0000.00716.36
7.4.160.0100.01116.49
7.4.140.0130.00417.86
7.4.130.0120.00616.72
7.4.120.0090.00916.55
7.4.110.0070.01016.50
7.4.100.0060.01016.51
7.4.90.0140.00316.50
7.4.80.0080.01419.39
7.4.70.0030.01716.56
7.4.60.0100.00716.71
7.4.50.0100.00316.46
7.4.40.0050.01116.46
7.4.00.0050.01314.89
7.3.330.0000.00513.14
7.3.320.0060.00013.18
7.3.310.0070.00016.28
7.3.300.0000.00716.27
7.3.290.0030.00316.21
7.3.280.0120.00416.32
7.3.260.0100.01316.29
7.3.240.0060.01116.42
7.3.230.0030.01316.35
7.3.210.0140.00316.43
7.3.200.0110.00816.32
7.3.190.0130.00416.32
7.3.180.0120.00416.30
7.3.170.0080.00816.39
7.3.160.0090.00616.44
7.3.120.0070.01014.81
7.3.110.0100.00714.64
7.3.100.0030.00714.47
7.3.90.0110.00414.90
7.3.80.0080.00914.91
7.3.70.0040.00714.79
7.3.60.0030.01014.45
7.3.50.0040.01114.53
7.3.40.0030.01014.71
7.3.30.0070.01014.75
7.3.20.0100.00616.52
7.3.10.0030.01016.43
7.3.00.0030.01016.44
7.2.330.0030.01516.48
7.2.320.0110.01116.55
7.2.310.0080.01016.34
7.2.300.0100.00616.46
7.2.290.0160.00316.59
7.2.250.0030.01314.88
7.2.240.0120.00614.90
7.2.230.0060.00614.77
7.2.220.0060.00915.00
7.2.210.0060.00914.75
7.2.200.0090.00315.07
7.2.190.0100.01014.94
7.2.180.0000.01914.77
7.2.170.0090.00314.80
7.2.110.0280.00316.17
7.2.40.0990.01317.65
7.2.30.0810.01317.67
7.2.20.1810.01618.13
7.2.10.0960.01217.95
7.2.00.0880.01117.68
7.1.330.0130.00315.96
7.1.320.0060.00615.69
7.1.310.0140.00015.65
7.1.300.0110.00315.57
7.1.290.0030.01415.61
7.1.280.0100.00715.80
7.1.270.0000.01215.49
7.1.260.0060.00615.59
7.1.200.0060.00915.72
7.1.160.0930.01216.66
7.1.150.1280.00916.95
7.1.140.1130.01016.67
7.1.130.1110.01216.74
7.1.120.1620.01516.98
7.1.110.1090.01016.22
7.1.100.1090.01016.45
7.1.90.1390.01416.32
7.1.80.0950.01516.45
7.1.70.1040.00915.37
7.1.60.1040.01733.27
7.1.50.1040.01832.99
7.1.40.1210.01332.46
7.1.30.1330.01332.63
7.1.20.1220.01132.90
7.1.10.1030.01014.50
7.1.00.0980.01014.71

preferences:
65.6 ms | 400 KiB | 5 Q