public function getRequiredModules($moduleName) {
        $moduleName = strtolower($moduleName);
        if (isset($this->_requiredModules[$moduleName])) {
            return $this->_requiredModules[$moduleName];
        }
        else {
            return null;
        }
    }
public function getRequiredModules($moduleName) {
        $moduleName = strtolower($moduleName);
        if (isset($this->_requiredModules[$moduleName])) {
            return $this->_requiredModules[$moduleName];
        }
        else {
            return null;
        }
    }
public function getRequiredModules ( $ moduleName ) { $ moduleName = strtolower ( $ moduleName ) ; if ( isset ( $ this -> _requiredModules [ $ moduleName ] ) ) { return $ this -> _requiredModules [ $ moduleName ] ; } else { return null ; } }
Gets a module

@param string $moduleName
@return AModule|null
Gets a module