src/Caching/ProxyCacheAdapter.php
protected function getKeyIDs($keys)
    {
        // Force iterator to array with simple temp array
        $map = [];
        foreach ($keys as $key) {
            $map[] = $this->getKeyID($key);
        }
        return $map;
    }
protected function getKeyIDs($keys)
    {
        // Force iterator to array with simple temp array
        $map = [];
        foreach ($keys as $key) {
            $map[] = $this->getKeyID($key);
        }
        return $map;
    }
protected function getKeyIDs ( $ keys ) { // Force iterator to array with simple temp array $ map = [ ] ; foreach ( $ keys as $ key ) { $ map [ ] = $ this -> getKeyID ( $ key ) ; } return $ map ; }
Get key ids

@param iterable $keys
@return array Array where keys are passed in $keys, and values are key IDs
Get key ids