(no version information, might be only in CVS)
Memcache::setCompressThreshold -- Enable automatic compression of large valuesMemcache::setCompressThreshold() enables automatic compression of large values. You can also use the memcache_set_compress_threshold() function.
Note: This function has been added to Memcache version 2.0.0.
threshold
Controls the minimum value length before attempting to compress automatically.
min_saving
Specifies the minimum amount of savings to actually store the value compressed. The supplied value must be between 0 and 1. Default value is 0.2 giving a minimum 20% compression savings.