3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types = 1); class CustomDateTimeImmutable extends DateTimeImmutable { public function test(): self { return CustomDateTimeImmutable::createFromInterface(new DateTime()); } public function fromFormat(): CustomDateTimeImmutable|false { return CustomDateTimeImmutable::createFromFormat('H:i:s', '00:00:00'); } } var_dump(get_class((new CustomDateTimeImmutable())->test())); //string(23) "CustomDateTimeImmutable" var_dump(get_class((new CustomDateTimeImmutable())->fromFormat())); //string(23) "CustomDateTimeImmutable"

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)
8.5.30.0110.00619.98
8.5.20.0100.00819.53
8.5.10.0140.00518.87
8.5.00.0120.01020.07
8.4.180.0090.01321.74
8.4.170.0130.00923.84
8.4.160.0140.00923.08
8.4.150.0060.00616.88
8.4.140.0130.00817.79
8.4.130.0070.00718.80
8.4.120.0060.00324.01
8.4.110.0120.00518.66
8.4.100.0140.00717.90
8.4.90.0110.00920.48
8.4.80.0120.00719.02
8.4.70.0100.01019.20
8.4.60.0140.00720.39
8.4.50.0120.00724.10
8.4.40.0040.00419.61
8.4.30.0060.00320.31
8.4.20.0100.01019.75
8.4.10.0030.01322.04
8.3.300.0130.00720.87
8.3.290.0120.00820.85
8.3.280.0140.00620.14
8.3.270.0130.00616.48
8.3.260.0120.00716.75
8.3.250.0090.00918.82
8.3.240.0110.00817.01
8.3.230.0110.00816.62
8.3.220.0040.00519.06
8.3.210.0060.01016.78
8.3.200.0040.00416.44
8.3.190.0130.00816.93
8.3.180.0130.00418.73
8.3.170.0060.01217.15
8.3.160.0100.00717.29
8.3.150.0090.00016.62
8.3.140.0120.00318.48
8.3.130.0030.00618.39
8.3.120.0000.00818.80
8.3.110.0120.00416.72
8.3.100.0060.01316.65
8.3.90.0050.00316.86
8.3.80.0040.00818.31
8.3.70.0180.00417.50
8.3.60.0140.00818.39
8.3.50.0060.00719.52
8.3.40.0150.00319.30
8.3.30.0150.00518.63
8.3.20.0190.00221.08
8.3.10.0080.00821.32
8.3.00.0120.00522.06
8.2.300.0110.01018.21
8.2.290.0120.00620.32
8.2.280.0100.01018.36
8.2.270.0110.00716.73
8.2.260.0080.00017.41
8.2.250.0040.00417.02
8.2.240.0130.00616.70
8.2.230.0000.00820.94
8.2.220.0040.00424.06
8.2.210.0040.00426.77
8.2.200.0210.00417.97
8.2.190.0190.00518.26
8.2.180.0160.00321.95
8.2.170.0200.00418.50
8.2.160.0160.00320.47
8.2.150.0090.00721.82
8.2.140.0130.00421.71
8.2.130.0130.00222.06
8.2.120.0100.00522.06
8.2.110.0100.00720.07
8.2.100.0090.00918.40
8.2.90.0110.00718.83
8.2.80.0060.01017.97
8.2.70.0130.00317.86
8.2.60.0160.00317.95
8.2.50.0130.00218.02
8.2.40.0100.00418.02
8.2.30.0080.00618.02
8.2.20.0110.00719.15
8.2.10.0110.00618.57
8.2.00.0120.00318.55
8.1.340.0130.00717.88
8.1.330.0140.00522.04
8.1.320.0130.00916.18
8.1.310.0050.00316.80
8.1.300.0080.00016.39
8.1.290.0060.00318.88
8.1.280.0140.00521.95
8.1.270.0090.00620.98
8.1.260.0090.00722.56
8.1.250.0100.00723.03
8.1.240.0110.00519.82
8.1.230.0140.00520.54
8.1.220.0090.00517.85
8.1.210.0120.00418.43
8.1.200.0100.00617.66
8.1.190.0080.00717.66
8.1.180.0090.00618.03
8.1.170.0100.00318.29
8.1.160.0080.00518.41
8.1.150.0100.00418.35
8.1.140.0080.00617.71
8.1.130.0090.00317.97
8.1.120.0080.00717.68
8.1.110.0070.00617.64
8.1.100.0120.00217.64
8.1.90.0100.00417.63
8.1.80.0110.00317.67
8.1.70.0090.00617.64
8.1.60.0120.00217.71
8.1.50.0130.00617.64
8.1.40.0150.00517.59
8.1.30.0160.00617.71
8.1.20.0150.00617.71
8.1.10.0120.00917.72
8.1.00.0180.00417.71
8.0.300.0120.00218.97
8.0.290.0130.00317.36
8.0.280.0070.00818.20
8.0.270.0070.01117.47
8.0.260.0070.00617.88
8.0.250.0110.00317.32
8.0.240.0090.00417.33
8.0.230.0130.00217.21
8.0.220.0110.00317.22
8.0.210.0100.00617.24
8.0.200.0110.00317.24
8.0.190.0050.01017.22
8.0.180.0140.00517.28
8.0.170.0160.00417.16
8.0.160.0090.01017.27
8.0.150.0100.00917.18
8.0.140.0120.00717.17
8.0.130.0110.00617.25
8.0.120.0130.00417.18
8.0.110.0110.00617.15
8.0.100.0160.00317.19
8.0.90.0140.00517.25
8.0.80.0130.00617.07
8.0.70.0170.00317.20
8.0.60.0160.00317.20
8.0.50.0100.00717.18
8.0.30.0120.00717.19
8.0.20.0120.00517.25
8.0.10.0180.00317.31
7.4.330.0100.00516.36
7.4.320.0100.00416.73
7.4.300.0130.00316.88
7.4.290.0120.00816.75
7.4.280.0140.00616.64
7.4.270.0120.00416.72
7.4.260.0100.00616.81
7.4.250.0110.00616.77
7.4.240.0140.00616.67
7.4.230.0130.00516.77
7.4.220.0110.00416.69
7.4.210.0090.00616.75
7.4.200.0090.00516.63
7.4.190.0100.00516.80
7.4.180.0130.00416.82
7.4.160.0090.00616.81
7.4.150.0110.00416.65
7.4.140.0040.01016.64
7.4.130.0120.00316.63
7.4.120.0100.00516.67
7.4.110.0100.00616.64
7.4.100.0120.00416.71
7.4.90.0080.00716.53
7.4.80.0060.00716.56
7.4.70.0110.00416.62
7.4.60.0080.00616.61
7.4.50.0070.00816.61
7.4.40.0080.00616.44
7.4.30.0100.00516.58
7.4.20.0090.00416.56
7.4.10.0120.00416.62
7.4.00.0070.00716.57

preferences:
78.66 ms | 1259 KiB | 5 Q