Hydration methods

hydrate.php

<?php

$iterations = 1000000;

class Example
{
    private $a;
    private $b;
    private $c;
    private $d;
    private $e;
    private $f;
}

class NewHydrator extends Example
{
    private $a = null;
    private $b = null;
    private $c = null;
    private $d = null;
    private $e = null;
    private $f = null;

    function __construct()
    {
        $this->touchA = function ($value) {
            $this->a = $value;
        };
        $this->touchB = function ($value) {
            $this->b = $value;
        };
        $this->touchC = function ($value) {
            $this->c = $value;
        };
        $this->touchD = function ($value) {
            $this->d = $value;
        };
        $this->touchE = function ($value) {
            $this->e = $value;
        };
        $this->touchF = function ($value) {
            $this->f = $value;
        };
    }

    function hydrate(array $data, $object)
    {
        $this->touchA->call($object, $data['a']);
        $this->touchB->call($object, $data['b']);
        $this->touchC->call($object, $data['c']);
        $this->touchD->call($object, $data['d']);
        $this->touchE->call($object, $data['e']);
        $this->touchF->call($object, $data['f']);
        return $object;
    }
}

class OldHydrator extends Example
{
    private $a = null;
    private $b = null;
    private $c = null;
    private $d = null;
    private $e = null;
    private $f = null;

    function __construct()
    {
        $this->touchA = \Closure::bind(function ($object, $value) {
            $object->a = $value;
        }, null, 'Example');
        $this->touchB = \Closure::bind(function ($object, $value) {
            $object->b = $value;
        }, null, 'Example');
        $this->touchC = \Closure::bind(function ($object, $value) {
            $object->c = $value;
        }, null, 'Example');
        $this->touchD = \Closure::bind(function ($object, $value) {
            $object->d = $value;
        }, null, 'Example');
        $this->touchE = \Closure::bind(function ($object, $value) {
            $object->e = $value;
        }, null, 'Example');
        $this->touchF = \Closure::bind(function ($object, $value) {
            $object->f = $value;
        }, null, 'Example');
    }

    function hydrate(array $data, $object)
    {
        $this->touchA->__invoke($object, $data['a']);
        $this->touchB->__invoke($object, $data['b']);
        $this->touchC->__invoke($object, $data['c']);
        $this->touchD->__invoke($object, $data['d']);
        $this->touchE->__invoke($object, $data['e']);
        $this->touchF->__invoke($object, $data['f']);
        return $object;
    }
}

echo "Old implementation\n";
$start = microtime(true);
for ($i=0; $i != $iterations; $i++) {
    $hydrator = new OldHydrator;
}
var_dump(microtime(true) - $start);


echo "New implementation\n";
$start = microtime(true);
for ($i=0; $i != $iterations; $i++) {
    $hydrator = new NewHydrator;
}
var_dump(microtime(true) - $start);