3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ContractVersion { private $end_date; public function __construct(\DateTimeImmutable $end_date) { $this->end_date = $end_date; } public function getEndDate(): \DateTimeImmutable { return $this->end_date; } } class VersionedContract { private $versions = []; public function __construct(\DateTimeImmutable $end_date) { $this->versions[] = new ContractVersion($end_date); } public function getEndDate(): \DateTimeImmutable { return $this->getCurrentVersion()->getEndDate(); } private function getCurrentVersion(): ContractVersion { return end($this->versions); } public function renew(\DateInterval $interval) { $this->versions[] = new ContractVersion($this->getEndDate()->add($interval)); } } $contract = new VersionedContract(new \DateTime('2017-10-10 10:10:00')); var_dump($contract->getEndDate()); // string(26) "2017-10-10 10:10:00.000000" $endDate = $contract->getEndDate(); var_dump($endDate); // same string(26) "2017-10-10 10:10:00.000000" $endDate->add(new \DateInterval('P1Y')); var_dump($endDate); // "2017-10-10 10:10:00.000000" var_dump($contract->getEndDate());

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)
8.3.60.0120.00916.61
8.3.50.0070.01016.60
8.3.40.0100.01019.22
8.3.30.0060.00918.92
8.3.20.0050.00320.20
8.3.10.0040.00423.52
8.3.00.0070.00022.09
8.2.180.0090.00916.88
8.2.170.0120.00322.96
8.2.160.0100.00318.95
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0040.00421.12
8.2.120.0040.00426.35
8.2.110.0060.00320.48
8.2.100.0120.00017.91
8.2.90.0000.00819.23
8.2.80.0040.00417.97
8.2.70.0070.00417.88
8.2.60.0000.00817.92
8.2.50.0060.00318.10
8.2.40.0040.00420.61
8.2.30.0040.00420.97
8.2.20.0040.00417.96
8.2.10.0040.00417.97
8.2.00.0050.00218.08
8.1.280.0120.00625.92
8.1.270.0150.00321.91
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0000.00823.96
8.1.230.0070.00417.83
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0040.00817.35
8.1.190.0060.00317.35
8.1.180.0030.00618.10
8.1.170.0070.00018.95
8.1.160.0000.00719.00
8.1.150.0080.00020.55
8.1.140.0070.00019.50
8.1.130.0000.00718.73
8.1.120.0050.00217.60
8.1.110.0030.00617.55
8.1.100.0030.00517.54
8.1.90.0040.00417.59
8.1.80.0000.00717.45
8.1.70.0040.00417.50
8.1.60.0050.00317.73
8.1.50.0040.00417.50
8.1.40.0000.00817.52
8.1.30.0080.00017.75
8.1.20.0050.00317.77
8.1.10.0030.00517.63
8.1.00.0030.00617.65
8.0.300.0040.00420.09
8.0.290.0000.00716.88
8.0.280.0000.00718.35
8.0.270.0030.00317.16
8.0.260.0030.00317.00
8.0.250.0060.00017.11
8.0.240.0000.00717.09
8.0.230.0040.00417.12
8.0.220.0030.00317.06
8.0.210.0030.00317.07
8.0.200.0040.00417.06
8.0.190.0000.00917.20
8.0.180.0040.00417.11
8.0.170.0040.00417.08
8.0.160.0040.00416.98
8.0.150.0030.00517.04
8.0.140.0040.00416.95
8.0.130.0000.00613.50
8.0.120.0080.00017.08
8.0.110.0000.00717.15
8.0.100.0050.00316.99
8.0.90.0000.00717.14
8.0.80.0060.01317.05
8.0.70.0040.00416.98
8.0.60.0040.00417.05
8.0.50.0040.00417.17
8.0.30.0110.00717.31
8.0.20.0090.01217.40
8.0.10.0050.00216.98
8.0.00.0070.01016.71
7.4.330.0000.00515.55
7.4.320.0050.00216.63
7.4.300.0000.00616.60
7.4.290.0000.00716.54
7.4.280.0050.00216.59
7.4.270.0030.00316.54
7.4.260.0060.00013.29
7.4.250.0070.00016.48
7.4.240.0000.00716.59
7.4.230.0040.00416.72
7.4.220.0110.00616.67
7.4.210.0040.01016.65
7.4.200.0000.00716.72
7.4.160.0100.00716.59
7.4.150.0040.01417.40
7.4.140.0110.01017.86
7.4.130.0190.00316.65
7.4.120.0100.01016.65
7.4.110.0080.00816.43
7.4.100.0090.00616.52
7.4.90.0060.01216.54
7.4.80.0150.00319.39
7.4.70.0130.01016.58
7.4.60.0060.00916.64
7.4.50.0060.00316.71
7.4.40.0060.01316.63
7.4.30.0100.00716.66
7.4.00.0070.00914.90
7.3.330.0000.00513.54
7.3.320.0000.00513.54
7.3.310.0000.00716.56
7.3.300.0030.00316.48
7.3.290.0090.00616.50
7.3.280.0090.01016.49
7.3.270.0120.00617.40
7.3.260.0100.00816.61
7.3.250.0140.00616.55
7.3.240.0090.01216.61
7.3.230.0150.00916.63
7.3.210.0030.01316.53
7.3.200.0120.00616.63
7.3.190.0110.01116.73
7.3.180.0050.01116.58
7.3.170.0160.00016.66
7.3.160.0130.00316.53
7.3.120.0100.01014.94
7.3.110.0100.01014.93
7.3.100.0070.01315.00
7.3.90.0060.00614.89
7.3.80.0060.00615.01
7.3.70.0030.01014.97
7.3.60.0030.01414.84
7.3.50.0040.00815.01
7.3.40.0040.01115.10
7.3.30.0060.00814.88
7.3.20.0120.00616.90
7.3.10.0060.00616.66
7.3.00.0030.01016.60
7.2.330.0070.01016.83
7.2.320.0110.01216.65
7.2.310.0060.01116.70
7.2.300.0090.00916.83
7.2.290.0040.01316.75
7.2.250.0130.00314.99
7.2.240.0070.01315.36
7.2.230.0060.00914.82
7.2.220.0000.01314.96
7.2.210.0040.01515.14
7.2.200.0070.01015.25
7.2.190.0030.00715.16
7.2.180.0030.01315.01
7.2.170.0130.00015.19
7.2.160.0140.00415.01
7.2.150.0070.01117.11
7.2.140.0070.00716.92
7.2.130.0030.01317.05
7.2.120.0070.00717.13
7.2.110.0060.00916.74
7.2.100.0100.00617.01
7.2.90.0230.00415.96
7.2.80.0020.01016.07
7.2.70.0090.00815.91
7.2.60.1010.00616.11
7.2.50.0100.00715.98
7.2.40.0810.00916.00
7.2.30.0820.01316.05
7.2.20.0490.00815.90
7.2.10.0060.00716.14
7.2.00.0240.01616.24
7.1.330.0060.01215.61
7.1.320.0000.01515.70
7.1.310.0030.00915.84
7.1.300.0030.00615.83
7.1.290.0040.01115.91
7.1.280.0060.01015.88
7.1.270.0070.01015.74
7.1.260.0060.00615.82
7.1.250.0100.00615.81
7.1.240.0100.00315.64
7.1.230.0070.00415.84
7.1.220.0090.00615.99
7.1.210.0530.00514.97
7.1.200.0050.00814.74
7.1.190.0060.00814.86
7.1.180.0500.00914.89
7.1.170.0690.00614.96
7.1.160.1060.00814.71
7.1.150.0750.00814.99
7.1.140.0080.00814.88
7.1.130.0960.00914.82
7.1.120.0080.00714.95
7.1.110.0060.01214.71
7.1.100.0060.00614.89
7.1.90.0040.01014.82
7.1.80.0080.00814.62
7.1.70.0470.00614.96
7.1.60.0560.01423.80
7.1.50.0810.01423.71
7.1.40.1180.01023.94
7.1.30.0390.01123.90
7.1.20.0950.00823.77
7.1.10.0310.01014.87
7.1.00.0880.00814.93
7.0.330.0110.00415.46
7.0.320.0070.00715.38
7.0.310.0290.00214.42
7.0.300.0730.00814.42
7.0.290.0700.00814.50
7.0.280.0790.00714.66
7.0.270.0570.00514.53
7.0.260.0050.00814.46
7.0.250.0510.01014.41
7.0.240.0870.00714.54
7.0.230.0930.01214.57
7.0.220.0080.00914.41
7.0.210.0320.00814.56
7.0.200.0470.00514.61
7.0.190.1590.00814.62
7.0.180.1280.00914.48
7.0.170.0420.00714.60
7.0.160.0080.00814.71
7.0.150.0650.01014.50
7.0.140.0050.00814.58
7.0.130.0670.00814.34
7.0.120.0260.00514.40
7.0.110.0700.00714.47
7.0.100.0710.00714.60
7.0.90.0060.01214.55
7.0.80.0180.00814.55
7.0.70.0370.00814.50
7.0.60.0290.00614.53
7.0.50.0050.00814.62
7.0.40.0050.00713.74
7.0.30.0060.01313.70
7.0.20.0100.00713.54
7.0.10.0070.00913.60
7.0.00.0510.00713.58
5.6.400.0050.00513.94
5.6.390.0120.00614.12
5.6.380.0030.00713.82
5.6.370.0060.00614.13
5.6.360.0080.00313.84
5.6.350.0060.00313.97
5.6.340.0000.01114.00
5.6.330.0150.00314.20
5.6.320.0090.00614.14
5.6.310.0090.00914.00
5.6.300.0040.01113.97
5.6.290.0030.00614.30
5.6.280.0000.01514.44
5.6.270.0040.01514.43
5.6.260.0000.00914.30
5.6.250.0110.00314.03
5.6.240.0080.00614.38
5.6.230.0070.00714.14
5.6.220.0030.01014.16
5.6.210.0090.00614.28
5.6.200.0030.00614.13
5.6.190.0070.00714.03
5.6.180.0070.00414.12
5.6.170.0130.00314.09
5.6.160.0080.00414.26
5.6.150.0000.01414.30
5.6.140.0110.00014.09
5.6.130.0040.00414.37
5.6.120.0100.00314.02
5.6.110.0000.01314.24
5.6.100.0080.00314.06
5.6.90.0070.00714.29
5.6.80.0040.01414.05
5.6.70.0060.01014.16
5.6.60.0070.01013.84
5.6.50.0070.01114.11
5.6.40.0030.01014.09
5.6.30.0100.00714.27
5.6.20.0040.00714.13
5.6.10.0060.00914.10
5.6.00.0030.00714.35

preferences:
50.09 ms | 400 KiB | 5 Q