Online PHP editor | output for kd0n5

@ 2014-01-28T21:26:55Z

<?php

interface Router {
	public function serve($uri);
}

class FlatRouter implements Router {
	public function serve($uri) {
		// send()s instance of HTTP\Request, no return value
		echo 'Serving request: ', $uri, ' using ', __CLASS__;
	}
}

class NestedRouter implements Router {
	public function serve($uri) {
		// send()s instance of HTTP\Request, no return value
		echo 'Serving request: ', $uri, ' using ', __CLASS__;
	}
}

abstract class Application {

	protected static $instances = array();

	private $properties = array();

	private static function getInstance() {
        return isset(self::$instances[$className = get_called_class()]) ? self::$instances[$className] : self::$instances[$className] = new static();
	}

	private function __construct() {
	}

	public function __set($propertyName, $value) {
		$this->properties[$propertyName] = $value;
	}

	public function __get($propertyName) {
		return is_callable($this->properties[$propertyName]) ? $this->properties[$propertyName] = $this->properties[$propertyName]($this) : $this->properties[$propertyName];
	}
}

abstract class WebApplication extends Application {

	protected $routerClassName = 'FlatRouter';

	private function __construct() {
		$this->router = function ($application) {
			$routerClassName = $application->routerClassName;
			return new $routerClassName();
		};
	}

	public static function serve($uri) {
		$instance = static::getInstance();
		$instance->router->serve($uri);
	}
}

final class FooBarWebApplication extends WebApplication {

	protected $routerClassName = 'NestedRouter';

}

FooBarWebApplication::serve('http://foo.bar/path/to/resource');

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught Error: Call to private method Application::getInstance() from scope WebApplication in /in/kd0n5:55 Stack trace: #0 /in/kd0n5(66): WebApplication::serve('http://foo.bar/...') #1 {main} thrown in /in/kd0n5 on line 55
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33: Fatal error: Uncaught Error: Call to private method Application::getInstance() from context 'WebApplication' in /in/kd0n5:55 Stack trace: #0 /in/kd0n5(66): WebApplication::serve('http://foo.bar/...') #1 {main} thrown in /in/kd0n5 on line 55
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28: Fatal error: Call to private method Application::getInstance() from context 'WebApplication' in /in/kd0n5 on line 55
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_STATIC, expecting T_STRING or T_VARIABLE or '$' in /in/kd0n5 on line 28
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_STATIC, expecting T_STRING or T_VARIABLE or '$' in /in/kd0n5 on line 28
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING in /in/kd0n5 on line 3
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_STRING in /in/kd0n5 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/kd0n5 on line 3
Process exited with code 255.

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