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<?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($contract->getEndDate());
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: VersionedContract::__construct(): Argument #1 ($end_date) must be of type DateTimeImmutable, DateTime given, called in /in/jUkbg on line 43 and defined in /in/jUkbg:22 Stack trace: #0 /in/jUkbg(43): VersionedContract->__construct(Object(DateTime)) #1 {main} thrown in /in/jUkbg on line 22
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: VersionedContract::__construct(): Argument #1 ($end_date) must be of type DateTimeImmutable, DateTime given, called in /in/jUkbg on line 43 and defined in /in/jUkbg:22 Stack trace: #0 /in/jUkbg(43): VersionedContract->__construct(Object(DateTime)) #1 {main} thrown in /in/jUkbg on line 22
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to VersionedContract::__construct() must be an instance of DateTimeImmutable, instance of DateTime given, called in /in/jUkbg on line 43 and defined in /in/jUkbg:22 Stack trace: #0 /in/jUkbg(43): VersionedContract->__construct(Object(DateTime)) #1 {main} thrown in /in/jUkbg on line 22
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/jUkbg on line 12
Process exited with code 255.
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