PHP experiment: object construction

constructor-experiment.php

<?php
/**
 * Experiment: constructor to have already partially initialized object, before it gets called.
 */


class Foobar {
	private $a;
	private $b;
	private $c;

	public function __construct($a) {
		$this->a = $a;
		var_dump($this->a, $this->b, $this->c);
	}

	public function setA($a) {
		$this->a = $a;
	}

	public function setB($b) {
		$this->b = $b;
	}

	public function setC($c) {
		$this->c = $c;
	}
}


// First experiment - normal construct
$f1 = new Foobar('A1'); // dumps A1, NULL, NULL
echo "----------------------------\n";



// Second experiment - constructor with partially initialized object
$rc = new ReflectionClass('Foobar');
$f2 = $rc->newInstanceWithoutConstructor();
$f2->setB('B2');
$f2->__construct('A2');  // dumps A2, B2, NULL
echo "----------------------------\n";