<?php
class App {
public static $classes = array();
public function register($name, Callable $generator) {
$this::$classes[$name] = $generator;
}
public function make() {
$args = func_get_args();
$name = array_shift($args);
if (!isset($this::$classes[$name])) {
throw new Exception('Invalid class name');
}
$classes &= $this::$classes;
return call_user_func_array($classes[$name], $args);
}
}
$app = new App;
// Internal declaration
class Foo {
public static function bar() {
return 'static';
}
}
$app->register('foo', function() {
return new Foo;
});
// Internal Usage
class SomeController {
public function view() {
$app = new App;
echo $app->make('foo')->bar();
}
}
// Some extending application
class MyFoo extends Foo {
public static function bar() {
return 'can\'t make internal methods use this.';
}
}
$app->register('foo', function() {
return new MyFoo;
});
$c = new SomeController;
$c->view();
Warning: Undefined variable $classes in /in/IrgRO on line 19
Fatal error: Uncaught TypeError: Unsupported operand types: null & array in /in/IrgRO:19
Stack trace:
#0 /in/IrgRO(47): App->make('foo')
#1 /in/IrgRO(68): SomeController->view()
#2 {main}
thrown in /in/IrgRO on line 19
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Notice: Undefined variable: classes in /in/IrgRO on line 19
Notice: Trying to access array offset on value of type int in /in/IrgRO on line 20
Warning: call_user_func_array() expects parameter 1 to be a valid callback, no array or string given in /in/IrgRO on line 20
Fatal error: Uncaught Error: Call to a member function bar() on null in /in/IrgRO:47
Stack trace:
#0 /in/IrgRO(68): SomeController->view()
#1 {main}
thrown in /in/IrgRO on line 47
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Warning: call_user_func_array() expects parameter 1 to be a valid callback, no array or string given in /in/IrgRO on line 20
Fatal error: Uncaught Error: Call to a member function bar() on null in /in/IrgRO:47
Stack trace:
#0 /in/IrgRO(68): SomeController->view()
#1 {main}
thrown in /in/IrgRO on line 47
Process exited with code 255.
Notice: Undefined variable: classes in /in/IrgRO on line 19
Warning: call_user_func_array() expects parameter 1 to be a valid callback, no array or string given in /in/IrgRO on line 20
Fatal error: Uncaught Error: Call to a member function bar() on null in /in/IrgRO:47
Stack trace:
#0 /in/IrgRO(68): SomeController->view()
#1 {main}
thrown in /in/IrgRO on line 47
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Notice: Undefined variable: classes in /in/IrgRO on line 19
Warning: call_user_func_array() expects parameter 1 to be a valid callback, no array or string given in /in/IrgRO on line 20
Fatal error: Call to a member function bar() on null in /in/IrgRO on line 47
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Notice: Undefined variable: classes in /in/IrgRO on line 19
Warning: call_user_func_array() expects parameter 1 to be a valid callback, no array or string given in /in/IrgRO on line 20
Fatal error: Call to a member function bar() on a non-object in /in/IrgRO on line 47
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Catchable fatal error: Argument 2 passed to App::register() must be an instance of Callable, instance of Closure given, called in /in/IrgRO on line 39 and defined in /in/IrgRO on line 7
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_PAAMAYIM_NEKUDOTAYIM in /in/IrgRO on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/IrgRO on line 8
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/IrgRO on line 5
Process exited with code 255.
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/IrgRO on line 5
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/IrgRO on line 5
Process exited with code 255.