Online PHP editor | output for g4SYi

@ 2014-10-29T02:20:05Z

<?php

class Request {
	public function __construct() {
		echo 'Request created', PHP_EOL;
	}
}

class DI {
	protected $shared = [];
	protected $definitions = [];

	public function __construct() {}

	public function set($name, $definition, $shared = false) {
		if($shared) {
			if(isset($shared[$name])) {
				throw new Exception("Definition '$name' is already set. Use DI::remove('$name') to remove it.");
			}
			$this->shared[$name] = $definition;
		} else {
			if(isset($definitions[$name])) {
				throw new Exception("Definition '$name' is already set. Use DI::remove('$name') to remove it.");
			}
			$this->definitions[$name] = $definition;
		}		
	}

	public function getRaw($name) {
		if(!isset($this->definitions[$name])) {
			throw new Exception("Definition '$name' is not set. Use DI::set('$name', <definition>, <shared>) to set it.");
		}
		
		return $this->definitions[$name];
	}

	public function get($name) {
		$definition = $this->getRaw($name);
		echo is_callable($definition) ? 'Callable def' : 'Non-calleable def';
		echo class_exists($definition) ? 'Class' : 'non-class';
		die;
		return $definition();
	}

	
}

$di = new DI();

//Using an anonymous function
$di->set('request1', function(){
	return new Request();
});

//Using an anonymous function
$di->set('request2', 'Request');

var_dump($di->get('request1'));

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: Callable def Fatal error: Uncaught TypeError: class_exists(): Argument #1 ($class) must be of type string, Closure given in /in/g4SYi:40 Stack trace: #0 /in/g4SYi(40): class_exists(Object(Closure)) #1 /in/g4SYi(58): DI->get('request1') #2 {main} thrown in /in/g4SYi on line 40
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Callable def Warning: class_exists() expects parameter 1 to be string, object given in /in/g4SYi on line 40 non-class
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/g4SYi on line 10
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected '[' in /in/g4SYi on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/g4SYi on line 4
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, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/g4SYi on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/g4SYi on line 4
Process exited with code 255.

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