3v4l.org

run code in 300+ PHP versions simultaneously
<?php class CustomDateTime extends \DateTime {} $dts = serialize(new \DateTime()); $dtis = serialize(new \DateTimeImmutable()); $cdts = serialize(new \CustomDateTime()); echo get_class(unserialize($dts, ['allowed_classes' => [\DateTime::class]])) . PHP_EOL; echo get_class(unserialize($dtis, ['allowed_classes' => [\DateTime::class]])) . PHP_EOL; echo PHP_EOL; echo get_class(unserialize($dts, ['allowed_classes' => [\DateTimeImmutable::class]])) . PHP_EOL; echo get_class(unserialize($dtis, ['allowed_classes' => [\DateTimeImmutable::class]])) . PHP_EOL; echo PHP_EOL; echo get_class(unserialize($dts, ['allowed_classes' => [\DateTimeInterface::class]])) . PHP_EOL; echo get_class(unserialize($dtis, ['allowed_classes' => [\DateTimeInterface::class]])) . PHP_EOL; echo PHP_EOL; echo get_class(unserialize($cdts, ['allowed_classes' => [\DateTime::class]])) . PHP_EOL; echo get_class(unserialize($cdts, ['allowed_classes' => [\DateTime::class]])) . PHP_EOL;

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)
8.4.120.0090.01020.74
8.4.110.0220.00919.03
8.4.100.0220.00818.03
8.4.90.0260.00917.94
8.4.80.0240.00719.06
8.4.70.0250.00618.03
8.4.60.0240.01218.34
8.4.50.0250.00418.06
8.4.40.0300.00617.98
8.4.30.0290.00718.54
8.4.20.0260.01117.97
8.4.10.0240.00618.82
8.3.250.0120.00719.18
8.3.240.0200.00716.86
8.3.230.0140.00716.72
8.3.220.0210.00416.86
8.3.210.0140.00816.96
8.3.200.0220.00516.88
8.3.190.0240.00918.02
8.3.180.0250.00916.84
8.3.170.0200.00817.79
8.3.160.0180.00917.07
8.3.150.0220.00817.01
8.3.140.0230.00816.74
8.3.130.0240.00616.95
8.3.120.0240.00817.94
8.3.110.0220.00716.74
8.3.100.0250.00617.72
8.3.90.0230.00321.81
8.3.80.0200.00722.40
8.3.70.0150.00920.30
8.3.60.0190.01122.02
8.3.50.0150.00624.34
8.3.40.0200.00523.58
8.3.30.0180.00522.54
8.3.20.0170.00424.53
8.3.10.0160.00724.64
8.3.00.0180.00524.93
8.2.290.0110.00719.86
8.2.280.0220.00718.38
8.2.270.0230.00818.03
8.2.260.0160.01016.88
8.2.250.0200.00616.87
8.2.240.0250.00716.92
8.2.230.0220.00818.73
8.2.220.0200.00620.36
8.2.210.0170.00621.78
8.2.200.0220.00522.13
8.2.190.0230.00621.47
8.2.180.0160.00924.42
8.2.170.0270.00722.61
8.2.160.0230.00723.94
8.2.150.0210.00724.63
8.2.140.0170.00824.63
8.2.130.0180.00824.90
8.2.120.0200.00723.90
8.2.110.0170.00723.92
8.2.100.0180.00723.29
8.2.90.0180.00523.39
8.2.80.0150.00823.64
8.2.70.0160.00623.25
8.2.60.0170.00723.23
8.2.50.0130.00623.29
8.2.40.0120.00423.65
8.2.30.0150.00523.60
8.2.20.0140.00423.33
8.2.10.0170.00422.62
8.2.00.0130.00622.59
8.1.330.0210.00816.65
8.1.320.0240.00816.44
8.1.310.0240.00517.20
8.1.300.0120.00418.38
8.1.290.0170.00626.00
8.1.280.0180.00724.27
8.1.270.0130.00324.45
8.1.260.0090.00624.93
8.1.250.0090.00625.28
8.1.240.0150.00524.44
8.1.230.0120.00623.13
8.1.220.0150.00723.20
8.1.210.0160.00623.38
8.1.200.0190.00423.12
8.1.190.0140.00523.18
8.1.180.0120.00523.26
8.1.170.0140.00423.42
8.1.160.0130.00423.50
8.1.150.0100.00623.48
8.1.140.0100.00522.78
8.1.130.0090.00520.68
8.1.120.0160.00422.34
8.1.110.0130.00621.67
8.1.100.0100.00521.68
8.1.90.0090.00620.80
8.1.80.0120.00421.66
8.1.70.0110.00621.69
8.1.60.0130.00621.70
8.1.50.0110.00721.69
8.1.40.0110.00521.68
8.1.30.0150.00321.71
8.1.20.0120.00521.71
8.1.10.0140.00621.73
8.1.00.0130.00321.67
8.0.300.0080.00523.59
8.0.290.0140.00522.99
8.0.280.0150.00523.25
8.0.270.0130.00423.00
8.0.260.0170.00221.99
8.0.250.0100.00722.07
8.0.240.0130.00521.35
8.0.230.0120.00521.39
8.0.220.0100.00621.34
8.0.210.0160.00421.35
8.0.200.0130.00721.35
8.0.190.0170.00421.36
8.0.180.0160.00521.34
8.0.170.0190.00421.28
8.0.160.0120.00721.37
8.0.150.0160.00321.32
8.0.140.0190.00421.31
8.0.130.0120.00620.78
8.0.120.0160.00521.32
8.0.110.0120.00621.29
8.0.100.0130.00421.35
8.0.90.0150.00621.35
8.0.80.0120.00620.83
8.0.70.0090.00521.33
8.0.60.0130.00521.27
8.0.50.0120.00621.28
8.0.30.0120.00521.31
8.0.20.0130.00520.88
8.0.10.0140.00421.33
8.0.00.0170.00621.33
7.4.330.0150.00320.53
7.4.320.0160.00521.07
7.4.300.0130.00620.08
7.4.290.0140.00521.06
7.4.280.0140.00621.07
7.4.270.0130.00721.04
7.4.260.0140.00520.59
7.4.250.0130.00419.34
7.4.240.0130.00621.05
7.4.230.0170.00421.01
7.4.220.0160.00320.52
7.4.210.0130.00720.09
7.4.200.0150.00621.01
7.4.190.0160.00721.79
7.4.180.0180.00421.84
7.4.160.0180.00421.79
7.4.150.0140.00821.73
7.4.140.0160.00721.72
7.4.130.0150.00720.39
7.4.120.0180.00421.00
7.4.110.0150.00721.03
7.4.100.0170.00521.10
7.4.90.0140.00920.94
7.4.80.0140.00621.00
7.4.70.0160.00521.03
7.4.60.0160.00621.06
7.4.50.0140.00621.02
7.4.40.0180.00421.00
7.4.30.0130.00920.98
7.4.20.0170.00620.96
7.4.10.0190.00720.97
7.4.00.0180.00520.97
7.3.330.0210.00420.89
7.3.320.0190.00520.47
7.3.310.0140.00520.92
7.3.300.0160.00420.89
7.3.290.0130.00619.96
7.3.280.0130.00721.59
7.3.270.0170.00321.67
7.3.260.0140.00420.93
7.3.250.0180.00720.96
7.3.240.0170.00820.94
7.3.230.0160.00620.94
7.3.220.0150.00620.89
7.3.210.0150.00620.97
7.3.200.0160.00720.94
7.3.190.0140.00620.95
7.3.180.0130.00920.90
7.3.170.0190.00620.95
7.3.160.0200.00420.96
7.3.150.0160.00820.90
7.3.140.0150.00620.96
7.3.130.0160.00620.91
7.3.120.0160.00620.93
7.3.110.0150.00720.92
7.3.100.0170.00420.90
7.3.90.0160.00421.03
7.3.80.0120.00720.90
7.3.70.0130.00720.94
7.3.60.0150.00721.01
7.3.50.0140.00520.97
7.3.40.0140.00420.95
7.3.30.0150.00420.97
7.3.20.0170.00621.25
7.3.10.0130.00821.19
7.3.00.0180.00421.20
7.2.340.0170.00821.03
7.2.330.0150.00821.09
7.2.320.0130.00521.04
7.2.310.0140.00621.01
7.2.300.0130.00821.07
7.2.290.0160.00521.08
7.2.280.0150.00421.02
7.2.270.0160.00621.06
7.2.260.0160.00420.99
7.2.250.0140.00621.11
7.2.240.0150.00521.01
7.2.230.0150.00621.01
7.2.220.0180.00521.06
7.2.210.0170.00621.03
7.2.200.0160.00621.13
7.2.190.0140.00821.10
7.2.180.0160.00621.08
7.2.170.0160.00521.09
7.2.160.0170.00521.12
7.2.150.0180.00621.38
7.2.140.0220.00621.36
7.2.130.0160.00621.42
7.2.120.0160.00421.37
7.2.110.0200.00421.44
7.2.100.0140.00621.43
7.2.90.0170.00721.40
7.2.80.0170.00621.37
7.2.70.0150.00521.43
7.2.60.0140.00621.41
7.2.50.0190.00621.38
7.2.40.0170.00621.46
7.2.30.0150.00721.41
7.2.20.0180.00621.40
7.2.10.0180.00521.43
7.2.00.0170.00421.47

preferences:
27.91 ms | 403 KiB | 5 Q