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run code in 150+ php & hhvm versions
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<?php namespace My\Example\Model { abstract class Super { private $aliases; protected function __construct(array $aliases) { $this->aliases = $aliases; } public function __call($name, $arguments) { echo "Calling virtual method $name...\n"; /* if $name is an alias, replace it */ if (isset($this->aliases[$name])) { $name = $this->aliases[$name]; echo "That's an alias for $name...\n"; } /* throw an exception if the method is undefined */ if (!method_exists($this, $name)) { throw new Exception("The specified method or method alias is undefined in the current context"); } /* finally, call the method by its actual name */ return $this->$name($arguments); } } namespace My\Example\Model { class Sub extends Super { public function __construct() { parent::__construct(array( "alias" => "actualMethod" )); } public function actualMethod() { echo "Inside the actual method\n"; } } } namespace My\Example { $sub = new Sub; $sub->alias(); }
Output for 5.3.0 - 5.4.22
Fatal error: Namespace declarations cannot be nested in /in/FNGPC on line 33
Process exited with code 255.