Online PHP editor | output for TGeLO

@ 2015-03-04T15:18:37Z

<?php
abstract class Base {
	/** @return void */
	abstract protected function _init();	
	
	/** @return void */
	public function init() {
		/** @var bool $initialized */
		static $initialized = false;
		if (!$initialized) {
			$this->_init();
			$initialized = true;
		}
	}	
}

class A extends Base {
	/**
	 * @override
	 * @return void
	 */
	protected function _init() {echo __CLASS__;}		
} 

class B extends Base {
	/**
	 * @override
	 * @return void
	 */
	protected function _init() {echo __CLASS__;}		
}

$a = new A;
$b = new B;
$a->init();
$b->init();

Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: A
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30: AB
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_CLASS in /in/TGeLO on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected T_CLASS in /in/TGeLO on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/TGeLO on line 2
Process exited with code 255.

preferences:dark modelive preview