Online PHP editor | perf for B1PQL

@ 2020-01-14T13:18:26Z

<?php
interface Entity
{
    public function getId() : ?int;
}

class Comment implements Entity
{
    private ?int $id = null;
    private int $userId;
    private string $text;
    
    public function __construct(int $userId, string $text) 
    {
        $this->userId = $userId;
        $this->text   = $text;
    }
    
    public function getId() : ?int
    {
        return $this->id;
    }
    
    public function setId(int $id) : void
    {
        $this->id = $id;
    }
}

class PseudoDatabase {
    private array $entities = [];
    
    public function save(Entity $entity) {
        $id = $entity->getId();

        if (null === $id) {
            $id = $this->generateId();

            $entity->setId($id);
        }
        
        $this->entities[$id] = $entity;
    }
    
    private function generateId() : int
    {
        return random_int(1, 1000000);
    }
}

$comment  = new Comment(11, 'Test comment');
$database = new PseudoDatabase;

$database->save($comment);

var_dump($comment);

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).

Version	System time (s)	User time (s)	Memory (MiB)
7.4.1	0.011	0.007	16.52
7.4.0	0.012	0.006	16.57
7.3.13	0.008	0.007	16.16
7.3.12	0.008	0.008	16.29
7.3.11	0.012	0.009	16.08
7.3.10	0.006	0.012	16.16
7.3.9	0.006	0.008	16.18
7.3.8	0.006	0.015	16.28
7.3.7	0.009	0.006	16.11
7.3.6	0.009	0.005	16.21
7.3.5	0.006	0.009	16.27
7.3.4	0.006	0.009	16.16
7.3.3	0.006	0.009	16.16
7.3.2	0.009	0.006	16.13
7.3.1	0.007	0.010	16.14
7.3.0	0.008	0.008	16.27
7.2.26	0.008	0.006	16.18
7.2.25	0.011	0.011	16.24
7.2.24	0.008	0.012	16.48
7.2.23	0.015	0.006	16.23
7.2.22	0.016	0.000	16.36
7.2.21	0.009	0.008	16.40
7.2.20	0.004	0.011	16.29
7.2.19	0.008	0.007	16.43
7.2.18	0.004	0.015	16.33
7.2.17	0.010	0.007	16.32
7.2.16	0.016	0.003	16.34
7.2.15	0.010	0.006	16.40
7.2.14	0.006	0.013	16.30
7.2.13	0.003	0.017	16.48
7.2.12	0.012	0.006	16.37
7.2.11	0.009	0.009	16.20
7.2.10	0.009	0.012	16.32
7.2.9	0.010	0.013	16.30
7.2.8	0.007	0.013	16.21
7.2.7	0.007	0.010	16.42
7.2.6	0.005	0.014	16.46
7.2.5	0.013	0.006	16.29
7.2.4	0.010	0.007	16.54
7.2.3	0.006	0.012	16.41
7.2.2	0.014	0.006	16.31
7.2.1	0.015	0.003	16.36
7.2.0	0.013	0.013	16.46

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