3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyDateTimeImmutable extends DateTimeImmutable { public function __construct( string $datetime = "now", ?DateTimeZone $timezone = null, private ?bool $myProperty = null, ) { parent::__construct($datetime, $timezone); } } var_dump($datetime = new MyDateTimeImmutable('2022-12-22T11:26:00Z', myProperty: true)); var_dump($serialized = serialize($datetime)); var_dump(unserialize($serialized));

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)
8.5.10.0100.00720.39
8.5.00.0130.00920.29
8.4.150.0030.00014.05
8.4.140.0140.01417.74
8.4.130.0160.00717.99
8.4.120.0130.00420.87
8.4.110.0110.00719.17
8.4.100.0160.00518.00
8.4.90.0110.01019.81
8.4.80.0040.00518.22
8.4.70.0090.00519.64
8.4.60.0100.00317.88
8.4.50.0120.00917.95
8.4.40.0120.00919.63
8.4.30.0110.00819.16
8.4.20.0040.00426.21
8.4.10.0060.00323.99
8.3.280.0020.00014.05
8.3.270.0130.00917.03
8.3.260.0090.01016.84
8.3.250.0130.00619.16
8.3.240.0150.00316.87
8.3.230.0040.00616.79
8.3.220.0140.00419.36
8.3.210.0080.00116.95
8.3.200.0120.00716.75
8.3.190.0090.00917.00
8.3.180.0100.00618.68
8.3.170.0190.00019.17
8.3.160.0080.01117.58
8.3.150.0120.00919.52
8.3.140.0080.00319.16
8.3.130.0050.00318.80
8.3.120.0100.00620.72
8.3.110.0080.00820.94
8.3.100.0090.00318.93
8.3.90.0140.00426.77
8.3.80.0030.00618.55
8.3.70.0090.00617.00
8.3.60.0110.00416.88
8.3.50.0070.00716.98
8.3.40.0070.00720.54
8.3.30.0150.00018.95
8.3.20.0080.00024.18
8.3.10.0000.00824.66
8.3.00.0040.00426.16
8.2.290.0080.01120.84
8.2.280.0110.00818.64
8.2.270.0070.00717.17
8.2.260.0060.00319.20
8.2.250.0080.00018.90
8.2.240.0030.00617.31
8.2.230.0060.00322.58
8.2.220.0100.00024.06
8.2.210.0050.00326.77
8.2.200.0070.00318.88
8.2.190.0110.00717.00
8.2.180.0110.01116.63
8.2.170.0140.00719.16
8.2.160.0030.01322.96
8.2.150.0030.00525.66
8.2.140.0030.00524.66
8.2.130.0000.00826.16
8.2.120.0000.00826.16
8.2.110.0070.00322.32
8.2.100.0040.00718.09
8.2.90.0040.00419.30
8.2.80.0080.00018.18
8.2.70.0000.00817.75
8.2.60.0000.00817.75
8.2.50.0040.00418.00
8.2.40.0030.00518.00
8.2.30.0030.00617.96
8.2.20.0030.00619.32
8.2.10.0000.00718.21
8.2.00.0030.00517.82
8.1.330.0140.00618.54
8.1.320.0140.00516.45
8.1.310.0080.00017.14
8.1.300.0000.00916.27
8.1.290.0060.00330.84
8.1.280.0030.01425.92
8.1.270.0050.00324.66
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0090.00023.96
8.1.230.0040.00717.95
8.1.220.0080.00017.91
8.1.210.0000.00818.77
8.1.200.0060.00317.63
8.1.190.0000.00817.63
8.1.180.0080.00018.10
8.1.170.0090.00017.62
8.1.160.0020.00518.91
8.1.150.0040.00418.81
8.1.140.0000.00717.71
8.1.130.0030.00517.65
8.1.120.0000.00817.66
8.1.110.0040.00417.69
8.1.100.0040.00417.79
8.1.90.0000.00817.79
8.1.80.0080.00019.54
8.1.70.0040.00417.77
8.1.60.0040.00417.80
8.1.50.0050.00317.85
8.1.40.0030.00617.80
8.1.30.0050.00317.89
8.1.20.0030.00517.92
8.1.10.0000.00817.79
8.1.00.0030.00617.81
8.0.300.0080.00018.77
8.0.290.0040.00417.13
8.0.280.0030.00318.40
8.0.270.0000.00818.35
8.0.260.0000.00717.41
8.0.250.0000.00817.41
8.0.240.0040.00417.41
8.0.230.0000.00717.41
8.0.220.0000.00817.41
8.0.210.0040.00417.41
8.0.200.0000.00717.41
8.0.190.0040.00317.41
8.0.180.0040.00417.41
8.0.170.0040.00417.41
8.0.160.0050.00217.41
8.0.150.0000.00817.41
8.0.140.0040.00417.41
8.0.130.0000.00717.41
8.0.120.0040.00417.41
8.0.110.0040.00417.41
8.0.100.0030.00517.41
8.0.90.0040.00417.41
8.0.80.0000.00817.41
8.0.70.0040.00417.41
8.0.60.0080.00017.41
8.0.50.0060.00317.41
8.0.30.0030.00617.41
8.0.20.0040.00418.97
8.0.10.0040.00417.41

preferences:
38.48 ms | 403 KiB | 5 Q