bench.php

<?php

use MongoDB\BSON\Document;
use PhpBench\Attributes\Groups;
use PhpBench\Attributes\Iterations;
use PhpBench\Attributes\Revs;

#[Iterations(30)]
class CreateObjectBench
{
    private ArrayObject $arrayObject;
    private stdClass $stdClass;
    private array $array;
    private  $document;

    public function __construct()
    {
        $data = [];
        foreach (range(0, 100) as $i) {
            $data['foo'.$i] = 'foo';
        }

        $this->array = $data;
        $this->stdClass = (object) $data;
        $this->arrayObject = new ArrayObject($data, ArrayObject::ARRAY_AS_PROPS);

        $this->document = Document::fromPHP($data);
    }

    #[Revs(100_000)]
    #[Groups(['array_access'])]
    public function benchArray()
    {
        $value = $this->array['foo50'];
        $value = $this->array['foo60'];
        $value = $this->array['foo1'];
        $value = $this->array['foo50'];
        $value = $this->array['foo60'];
        $value = $this->array['foo1'];
    }

    #[Revs(100_000)]
    #[Groups(['array_access'])]
    public function benchStdClass()
    {
        $value = $this->stdClass->foo50;
        $value = $this->stdClass->foo60;
        $value = $this->stdClass->foo1;
        $value = $this->stdClass->foo50;
        $value = $this->stdClass->foo60;
        $value = $this->stdClass->foo1;
    }

    #[Revs(100_000)]
    #[Groups(['array_access'])]
    public function benchArrayAccess()
    {
        $value = $this->arrayObject['foo50'];
        $value = $this->arrayObject['foo60'];
        $value = $this->arrayObject['foo1'];
        $value = $this->arrayObject['foo50'];
        $value = $this->arrayObject['foo60'];
        $value = $this->arrayObject['foo1'];
    }

    #[Revs(100_000)]
    #[Groups(['array_access'])]
    public function benchArrayObject()
    {
        $value = $this->arrayObject->foo50;
        $value = $this->arrayObject->foo60;
        $value = $this->arrayObject->foo1;
        $value = $this->arrayObject->foo50;
        $value = $this->arrayObject->foo60;
        $value = $this->arrayObject->foo1;
    }

    #[Revs(100_000)]
    #[Groups(['array_access'])]
    public function benchDocument()
    {
        $value = $this->document['foo50'];
        $value = $this->document['foo60'];
        $value = $this->document['foo1'];
        $value = $this->document['foo50'];
        $value = $this->document['foo60'];
        $value = $this->document['foo1'];
    }
}

results.txt

PHPBench (1.2.15) running benchmarks...
with PHP version 8.3.6, xdebug ✔, opcache ❌

\CreateObjectBench

    benchArray..............................I29 - Mo0.291μs (±0.84%)
    benchStdClass...........................I29 - Mo0.281μs (±1.32%)
    benchArrayAccess........................I29 - Mo0.357μs (±1.49%)
    benchArrayObject........................I29 - Mo0.363μs (±1.19%)
    benchDocument...........................I29 - Mo5.986μs (±0.70%)

Subjects: 5, Assertions: 0, Failures: 0, Errors: 0