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()); $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)
8.3.60.0070.00716.63
8.3.50.0110.00718.13
8.3.40.0150.00018.84
8.3.30.0130.00318.89
8.3.20.0000.00721.60
8.3.10.0040.00421.63
8.3.00.0040.00417.88
8.2.180.0130.00616.50
8.2.170.0120.00422.96
8.2.160.0040.01122.96
8.2.150.0080.00024.18
8.2.140.0040.01124.66
8.2.130.0000.00719.33
8.2.120.0050.00326.35
8.2.110.0100.00020.97
8.2.100.0080.00317.91
8.2.90.0040.00418.02
8.2.80.0080.00018.09
8.2.70.0030.00617.93
8.2.60.0040.00418.05
8.2.50.0070.00018.22
8.2.40.0060.00319.22
8.2.30.0040.00419.31
8.2.20.0040.00417.93
8.2.10.0050.00218.05
8.2.00.0000.00818.03
8.1.280.0070.01425.92
8.1.270.0080.00023.86
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.63
8.1.230.0070.00422.77
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0040.00417.25
8.1.190.0050.00317.09
8.1.180.0000.00718.10
8.1.170.0000.00818.53
8.1.160.0060.00318.72
8.1.150.0000.00820.80
8.1.140.0000.00717.68
8.1.130.0080.00318.91
8.1.120.0030.00517.44
8.1.110.0050.00317.43
8.1.100.0050.00317.38
8.1.90.0070.00017.25
8.1.80.0040.00417.31
8.1.70.0070.00017.35
8.1.60.0030.00717.58
8.1.50.0000.00817.43
8.1.40.0050.00217.40
8.1.30.0000.00917.61
8.1.20.0050.00317.54
8.1.10.0000.00717.58
8.1.00.0050.00317.45
8.0.300.0040.00420.03
8.0.290.0020.00516.75
8.0.280.0070.00018.50
8.0.270.0030.00317.16
8.0.260.0030.00317.20
8.0.250.0050.00517.02
8.0.240.0000.00716.92
8.0.230.0000.00716.95
8.0.220.0070.00016.93
8.0.210.0000.00816.85
8.0.200.0070.00016.98
8.0.190.0000.00816.89
8.0.180.0040.00416.86
8.0.170.0090.00016.80
8.0.160.0040.00416.92
8.0.150.0000.00816.84
8.0.140.0030.00516.89
8.0.130.0050.00013.27
8.0.120.0020.00516.82
8.0.110.0070.00016.84
8.0.100.0000.00816.68
8.0.90.0030.00516.70
8.0.80.0030.01216.93
8.0.70.0050.00216.71
8.0.60.0070.00016.84
8.0.50.0000.00816.82
8.0.30.0100.00816.97
8.0.20.0040.01517.40
8.0.10.0000.00717.07
8.0.00.0140.00416.88
7.4.330.0000.00516.84
7.4.320.0030.00316.52
7.4.300.0000.00616.55
7.4.290.0070.00016.62
7.4.280.0050.00516.49
7.4.270.0030.00316.50
7.4.260.0030.00616.62
7.4.250.0050.00216.35
7.4.240.0060.00316.60
7.4.230.0070.00016.60
7.4.220.0080.00016.52
7.4.210.0140.00316.58
7.4.200.0030.00316.60
7.4.160.0080.01216.44
7.4.140.0120.00617.86
7.4.130.0110.00716.62
7.4.120.0100.00916.48
7.4.110.0120.00616.56
7.4.100.0000.01916.58
7.4.90.0160.00016.44
7.4.80.0110.01219.39
7.4.70.0050.01116.54
7.4.60.0120.00316.54
7.4.50.0040.01116.52
7.4.40.0120.00616.44
7.4.00.0030.01315.06
7.3.330.0020.00213.29
7.3.320.0060.00013.34
7.3.310.0020.00516.16
7.3.300.0040.00416.27
7.3.290.0060.00016.18
7.3.280.0050.01316.29
7.3.260.0160.00516.22
7.3.240.0140.00616.36
7.3.230.0030.01416.23
7.3.210.0100.00716.29
7.3.200.0130.00316.23
7.3.190.0080.00816.33
7.3.180.0090.00616.48
7.3.170.0100.00716.39
7.3.160.0090.00816.28
7.3.120.0090.00614.51
7.3.110.0030.01014.73
7.3.100.0030.01414.82
7.3.90.0080.00414.94
7.3.80.0090.00314.69
7.3.70.0030.00614.88
7.3.60.0040.00714.79
7.3.50.0100.00714.68
7.3.40.0030.01014.36
7.3.30.0000.01814.71
7.3.20.0170.00616.65
7.3.10.0020.01216.56
7.3.00.0110.00616.43
7.2.330.0130.00416.67
7.2.320.0120.00616.41
7.2.310.0160.00616.35
7.2.300.0070.01316.66
7.2.290.0090.01516.68
7.2.240.0070.01015.09
7.2.230.0030.01315.11
7.2.220.0060.00914.93
7.2.210.0030.01214.63
7.2.200.0070.01015.09
7.2.190.0060.01015.08
7.2.180.0040.01214.84
7.2.170.0070.01014.94
7.2.160.0040.01315.14
7.2.150.0090.01216.91
7.2.140.0110.00716.79
7.2.130.0110.00316.83
7.2.120.0050.01116.96
7.2.110.0060.00916.89
7.2.100.0090.00416.87
7.2.90.0050.00616.83
7.2.80.0090.00616.94
7.2.70.0050.00816.94
7.2.60.0100.00416.82
7.2.50.0040.00916.90
7.2.40.0290.00917.32
7.2.30.0480.01117.34
7.2.20.0440.00917.14
7.2.10.0390.00817.18
7.2.00.0320.00917.29
7.1.330.0060.00915.81
7.1.320.0040.01115.55
7.1.310.0070.00715.80
7.1.300.0060.00615.86
7.1.290.0100.00615.80
7.1.280.0070.00415.86
7.1.270.0140.00815.41
7.1.260.0060.00915.96
7.1.250.0030.01015.61
7.1.200.0090.00315.57
7.1.160.1030.01117.05
7.1.150.0920.01016.66
7.1.140.0880.01316.51
7.1.130.0850.01216.89
7.1.120.1080.01016.66
7.1.110.0870.00615.96
7.1.100.0800.01016.04
7.1.90.1190.00716.06
7.1.80.1910.00916.00
7.1.70.0880.00615.22
7.1.60.0990.01233.24
7.1.50.0830.01332.97
7.1.40.0940.01732.45
7.1.30.0870.01332.68
7.1.20.0840.01132.83
7.1.10.0800.01114.77
7.1.00.1260.01414.82

preferences:
55.62 ms | 400 KiB | 5 Q