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<?php declare(strict_types=1); class User { private const STATUS_ACTIVE = 'active'; private const STATUS_INACTIVE = 'inactive'; public function __construct(private string $username, private string $status = self::STATUS_ACTIVE) { } private function setStatus(string $status): void { assert( in_array($status, [self::STATUS_ACTIVE, self::STATUS_INACTIVE]), sprintf('Le status %s n\'est pas valide. Les status possibles sont : %s', $status, implode(', ', [self::STATUS_ACTIVE, self::STATUS_INACTIVE])) ); $this->status = $status; } private function getStatus(): string { return $this->status; } } class Admin extends User { public const STATUS_LOCKED = 'locked'; // la méthode est entièrement ré-écrite ici :) seule la signature reste inchangée public function setStatus(string $status): void { assert( in_array($status, [self::STATUS_ACTIVE, self::STATUS_INACTIVE, self::STATUS_LOCKED]), sprintf('Le status %s n\'est pas valide. Les status possibles sont : %s', $status, implode(', ', [self::STATUS_ACTIVE, self::STATUS_INACTIVE, self::STATUS_LOCKED])) ); $this->status = $status; } // la méthode utilise celle de la classe parente, et ajoute un comportement :) public function getStatus(): string { return strtoupper(parent::getStatus()); } } $admin = new Admin('Paddington'); $admin->setStatus(Admin::STATUS_LOCKED); echo $admin->getStatus();
Output for 8.0.0 - 8.0.13, 8.1rc1 - rc3
Fatal error: Uncaught Error: Undefined constant Admin::STATUS_ACTIVE in /in/2cgVO:39 Stack trace: #0 /in/2cgVO(55): Admin->setStatus('locked') #1 {main} thrown in /in/2cgVO on line 39
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.26
Parse error: syntax error, unexpected 'private' (T_PRIVATE), expecting variable (T_VARIABLE) in /in/2cgVO on line 10
Process exited with code 255.

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