#011138: ezcCacheStorage: Abstract method validateLocation() missing

The abstract cache base class ezcCacheStorage calls the method validateLocation() on line 94(latest trunk). This method is implemented by ezcCacheStorageFile but is not required by the storage interface definition.

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PHP Version: (please be specific, like '4.4.3' or '5.1.5')
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<?php
class ezcCacheStorageApc extends ezcCacheStorage
{ public function store( $id, $data, $attributes = array() ) {}
public function restore( $id, $attributes = array() ) {}
public function delete( $id = null, $attributes = array() ) {}
public function countDataItems( $id = null, $attributes = array() ) {}
public function getRemainingLifetime( $id, $attributes = array() ) {}
}

?>