protected function initIndexByClassName($className)
    {
        // Create an entry array if not already created (lazy init)
        if (false === isset($this->indexedByClassName[$className])) {
            $this->indexedByClassName[$className] = [];
        }
    }
protected function initIndexByClassName($className)
    {
        // Create an entry array if not already created (lazy init)
        if (false === isset($this->indexedByClassName[$className])) {
            $this->indexedByClassName[$className] = [];
        }
    }
protected function initIndexByClassName ( $ className ) { // Create an entry array if not already created (lazy init) if ( false === isset ( $ this -> indexedByClassName [ $ className ] ) ) { $ this -> indexedByClassName [ $ className ] = [ ] ; } }
Initializes the index by className.

@param string $className The name of the class

@author Benjamin Carl <opensource@clickalicious.de>
Initializes the index by className .