3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { protected $foo = 123; } $foo = new Foo(); $serializedFoo = serialize($foo); $unserializedFoo = unserialize($serializedFoo, ['allowed_classes' => [Foo::class]]); var_dump($serializedFoo, $unserializedFoo);

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)
8.3.40.0080.00818.64
8.3.30.0090.00618.57
8.3.20.0060.00320.53
8.3.10.0060.00921.75
8.3.00.0030.00519.41
8.2.170.0120.00322.96
8.2.160.0110.00420.48
8.2.150.0090.00924.18
8.2.140.0000.00824.66
8.2.130.0040.00420.35
8.2.120.0000.00826.35
8.2.110.0060.00320.57
8.2.100.0090.00617.91
8.2.90.0060.00319.05
8.2.80.0040.00417.97
8.2.70.0030.00517.50
8.2.60.0090.00017.91
8.2.50.0050.00318.10
8.2.40.0040.00422.32
8.2.30.0000.00720.97
8.2.20.0000.00817.88
8.2.10.0000.00718.02
8.2.00.0030.00518.00
8.1.270.0090.00022.06
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.68
8.1.230.0000.01119.01
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0040.00417.22
8.1.180.0080.00018.10
8.1.170.0090.00018.61
8.1.160.0070.00019.05
8.1.150.0030.00718.78
8.1.140.0050.00519.39
8.1.130.0000.00718.73
8.1.120.0030.00517.27
8.1.110.0000.00717.29
8.1.100.0000.00717.25
8.1.90.0040.00417.30
8.1.80.0000.01017.29
8.1.70.0040.00417.29
8.1.60.0030.00617.55
8.1.50.0020.00517.48
8.1.40.0040.00817.42
8.1.30.0090.00017.52
8.1.20.0040.00417.54
8.1.10.0050.00317.52
8.1.00.0040.00417.36
8.0.300.0050.00218.77
8.0.290.0000.00716.75
8.0.280.0050.00218.44
8.0.270.0100.00017.11
8.0.260.0030.00316.74
8.0.250.0000.00716.95
8.0.240.0040.00416.93
8.0.230.0000.00716.86
8.0.220.0060.00016.89
8.0.210.0000.00716.86
8.0.200.0000.00616.93
8.0.190.0030.00616.98
8.0.180.0040.00416.92
8.0.170.0040.00417.00
8.0.160.0050.00716.71
8.0.150.0070.00016.72
8.0.140.0000.00716.78
8.0.130.0060.00013.33
8.0.120.0000.00716.75
8.0.110.0060.00316.81
8.0.100.0000.00816.76
8.0.90.0070.00016.86
8.0.80.0090.00716.82
8.0.70.0000.00716.70
8.0.60.0080.00016.93
8.0.50.0080.00016.91
8.0.30.0080.01116.99
8.0.20.0120.00617.40
8.0.10.0000.00717.06
8.0.00.0150.00916.87
7.4.330.0000.00515.55
7.4.320.0030.00316.34
7.4.300.0060.00016.54
7.4.290.0040.00716.50
7.4.280.0040.00416.54
7.4.270.0070.00016.52
7.4.260.0030.00313.22
7.4.250.0000.00816.40
7.4.240.0080.00016.48
7.4.230.0040.00416.35
7.4.220.0090.00916.56
7.4.210.0090.00716.50
7.4.200.0030.00316.34
7.4.160.0090.00616.42
7.4.150.0070.01017.40
7.4.140.0100.00817.86
7.4.130.0160.00316.53
7.4.120.0130.00516.52
7.3.330.0050.00013.09
7.3.320.0030.00213.17
7.3.310.0000.00716.23
7.3.300.0000.00716.20
7.3.290.0000.00716.00
7.3.280.0080.00816.14
7.3.270.0080.00817.40
7.3.260.0150.00216.40
7.3.250.0100.00716.32
7.3.240.0080.00916.26
7.1.60.0200.02033.22

preferences:
60.91 ms | 400 KiB | 5 Q