remove() public method

Usually this only affects one entry.
public remove ( string $entryIdentifier ) : boolean
$entryIdentifier string Specifies the cache entry to remove
return boolean TRUE if (at least) an entry could be removed or FALSE if no entry was found
 /**
  * Removes all cache entries matching the specified identifier.
  * Usually this only affects one entry.
  *
  * @param string $entryIdentifier Specifies the cache entry to remove
  * @return boolean TRUE if (at least) an entry could be removed or FALSE if no entry was found
  * @throws \RuntimeException
  * @throws \InvalidArgumentException
  * @api
  */
 public function remove($entryIdentifier)
 {
     if ($this->frozen === true) {
         throw new \RuntimeException(sprintf('Cannot remove cache entry because the backend of cache "%s" is frozen.', $this->cacheIdentifier), 1323344193);
     }
     return parent::remove($entryIdentifier);
 }