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@ 2015-11-08T22:11:34Z

<?php
class Entity {
    private $name;
    
    public function __construct($name)
    {
        $this->name = $name;
    }
    
    public function getName()
    {
        return $this->name;
    }
    
    public function setName($name)
    {
        $this->name = $name;
        return $this;
    }
}

class DB {
    public function findByName($name)
    {
        if ($name === 'belette') {
            return new Entity($name);
        }
        return false;
    }
}

class Test {
    private $db;
    
    public function __construct(DB $db) {
        $this->db = $db;
    }
    
    private function getEntity($name): Entity
    {
        $entity = $this->db->findByName($name);
        $new = false;
        if (false === $entity) {
            $entity = new Entity();
            $entity->setName($name);
            $this->db->insert($entity);
            $new = true;
        }

        return new class($entity, $new) {
            private $new;
            public $entity;
            
            public function __construct(Entity $entity, $new)
            {
                $this->entity = $entity;
                $this->new = $new;
            }
            
            public function isNew()
            {
                return $this->new;
            }
        };
    }
}

$db = new DB();
$test = new Test();
$result = $test->getEntity('belette');
if ($result->isNew()) {
    echo "L'entité 'belette' n'existait pas en base\n";
}
var_dump($result->entity);

Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7: Fatal error: Uncaught ArgumentCountError: Too few arguments to function Test::__construct(), 0 passed in /in/UAlmO on line 69 and exactly 1 expected in /in/UAlmO:35 Stack trace: #0 /in/UAlmO(69): Test->__construct() #1 {main} thrown in /in/UAlmO on line 35
Process exited with code 255.
Output for 7.0.0 - 7.0.33: Fatal error: Uncaught TypeError: Argument 1 passed to Test::__construct() must be an instance of DB, none given, called in /in/UAlmO on line 69 and defined in /in/UAlmO:35 Stack trace: #0 /in/UAlmO(69): Test->__construct() #1 {main} thrown in /in/UAlmO on line 35
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/UAlmO on line 39
Process exited with code 255.

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