src/Cache/Adapter/KeyValueCacheAdapter.php
public static function generateCacheKey($publicId, $type, $resourceType, $transformation, $format)
    {
        return sha1(implode("/", array_filter([$publicId, $type, $resourceType, $transformation, $format])));
    }
public static function generateCacheKey($publicId, $type, $resourceType, $transformation, $format)
    {
        return sha1(implode("/", array_filter([$publicId, $type, $resourceType, $transformation, $format])));
    }
public static function generateCacheKey ( $ publicId , $ type , $ resourceType , $ transformation , $ format ) { return sha1 ( implode ( "/" , array_filter ( [ $ publicId , $ type , $ resourceType , $ transformation , $ format ] ) ) ) ; }
Generates key-value storage key from parameters

@param string $publicId          The public ID of the resource
@param string $type              The storage type
@param string $resourceType      The type of the resource
@param string $transformation    The transformation string
@param string $format            The format of the resource

@return string Resulting cache key
Generates key - value storage key from parameters