3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?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 $properties = array(); protected static function getInstance() { return isset(self::$instances[$className = get_called_class()]) ? self::$instances[$className] : self::$instances[$className] = new static(); } protected function __construct() { } public function __set($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'; protected 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 $routerClassName = 'NestedRouter'; } FooBarWebApplication::serve('http://foo.bar/path/to/resource');
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Serving request: http://foo.bar/path/to/resource using NestedRouter
Output for 5.3.0 - 5.3.29
Notice: Undefined index: routerClassName in /in/q3DAZ on line 39 Notice: Undefined index: routerClassName in /in/q3DAZ on line 39 Fatal error: Class name must be a valid object or a string in /in/q3DAZ on line 50
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STATIC, expecting T_STRING or T_VARIABLE or '$' in /in/q3DAZ 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/q3DAZ 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/q3DAZ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/q3DAZ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/q3DAZ on line 3
Process exited with code 255.