addValues() protected method
Adds multiple key-value pairs to cache.
The default implementation calls addValue() multiple times add values one by one. If the underlying cache storage supports multi-add, this method should be overridden to exploit that feature.
protected array addValues ( $data, $duration ) | ||
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$data | array |
Array where key corresponds to cache key while value is the value stored. |
$duration | integer |
The number of seconds in which the cached values will expire. 0 means never expire. |
return | array |
Array of failed keys |
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