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<?php |
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namespace luya\helpers; |
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use luya\Exception; |
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use ReflectionMethod; |
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/** |
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* Helper methods when dealing with Objects. |
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* |
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* @author Basil Suter <[email protected]> |
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* @since 1.0.0 |
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*/ |
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class ObjectHelper |
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{ |
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/** |
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* Checks a given variable if its an instance of an element in the $instances list. |
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* |
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* @param string $variable The variable to type check against instances. |
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* @param string|array|object $instances A list of classes, a string for a given class, or an object. |
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* @param boolean $throwException Whether an exception should be thrown or not. |
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* @throws \luya\Exception |
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* @return boolean |
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* @since 1.0.3 |
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*/ |
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public static function isInstanceOf($variable, $instances, $throwException = true) |
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{ |
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// if instances is an object (compare object directly) we have to extra the class name to compare with instanceof later |
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if (is_object($instances)) { |
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$instances = get_class($instances); |
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} |
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$instances = (array) $instances; |
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foreach ($instances as $class) { |
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if ($variable instanceof $class) { |
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return true; |
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} |
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} |
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if ($throwException) { |
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throw new Exception("The given variable must be an instance of: " . implode(",", $instances)); |
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} |
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return false; |
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} |
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/** |
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* Convert Object to Array |
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* |
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* @param object $object |
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* @return array |
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*/ |
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public static function toArray($object) |
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{ |
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return (array) $object; |
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} |
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/** |
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* Call a method and ensure arguments. |
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* |
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* Call a class method with arguments and verify the arguments if they are in the list of method arguments or not. |
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* |
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* ```php |
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* ObjectHelper::callMethodSanitizeArguments(new MyClass(), 'methodToCall', ['paramName' => 'paramValue']); |
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* ``` |
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* |
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* The response is the return value from the called method of the object. |
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* |
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* @param object $object The class object where the method must be found. |
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* @param string $method The class method to call inside the object. |
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* @param array $argumentsList A massiv assigned list of array items, where the key is bind to the method argument and the value to be passed in the method on call. |
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* @throws \luya\Exception Throws an exception if a argument coult not be found. |
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* @return mixed |
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*/ |
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public static function callMethodSanitizeArguments($object, $method, array $argumentsList = []) |
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{ |
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// get class reflection object |
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$reflection = new ReflectionMethod($object, $method); |
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// array where the sanitized arguemnts will be stored |
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$methodArgs = []; |
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foreach ($reflection->getParameters() as $param) { |
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// add the argument into the method list when existing |
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if (array_key_exists($param->name, $argumentsList)) { |
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$methodArgs[] = $argumentsList[$param->name]; |
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} |
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// check if the provided arguemnt is optional or not |
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if (!$param->isOptional() && !array_key_exists($param->name, $argumentsList)) { |
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throw new Exception(sprintf("The argument '%s' is required for method '%s' in class '%s'.", $param->name, $method, get_class($object))); |
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} |
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} |
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return call_user_func_array([$object, $method], $methodArgs); |
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} |
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} |
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