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<?php class App { public $classes = array(); public function register($name, Callable $generator) { $this->classes[$name] = $generator; } public function make($name) { if (!isset($this->classes[$name])) { throw new Exception('Invalid class name'); } return $this->classes[$name](); } } $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() { 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();
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
Warning: Undefined variable $app in /in/hvIZp on line 45 Fatal error: Uncaught Error: Call to a member function make() on null in /in/hvIZp:45 Stack trace: #0 /in/hvIZp(67): SomeController->view() #1 {main} thrown in /in/hvIZp on line 45
Process exited with code 255.
Output for 7.0.5 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: app in /in/hvIZp on line 45 Fatal error: Uncaught Error: Call to a member function make() on null in /in/hvIZp:45 Stack trace: #0 /in/hvIZp(67): SomeController->view() #1 {main} thrown in /in/hvIZp on line 45
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Call to a member function make() on null in /in/hvIZp:45 Stack trace: #0 /in/hvIZp(67): SomeController->view() #1 {main} thrown in /in/hvIZp on line 45
Process exited with code 255.
Output for 7.0.0 - 7.0.4
Notice: Undefined variable: app in /in/hvIZp on line 45 Fatal error: Uncaught Error: Call to a member function make() on unknown in /in/hvIZp:45 Stack trace: #0 /in/hvIZp(67): SomeController->view() #1 {main} thrown in /in/hvIZp on line 45
Process exited with code 255.
Output for 5.6.0 - 5.6.28
Notice: Undefined variable: app in /in/hvIZp on line 45 Fatal error: Call to a member function make() on null in /in/hvIZp on line 45
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Notice: Undefined variable: app in /in/hvIZp on line 45 Fatal error: Call to a member function make() on a non-object in /in/hvIZp on line 45
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/hvIZp on line 38 and defined in /in/hvIZp 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_FUNCTION in /in/hvIZp on line 36
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/hvIZp on line 36
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/hvIZp on line 5
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/hvIZp 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/hvIZp on line 5
Process exited with code 255.
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