PHP: Memcached - Manual

GOTCHA: Recently I was tasked with moving from PECL memcache to PECL memcached and ran into a major problem -- memcache and memcached serialize data differently, meaning that data written with one library can't necessarily be read with the other library. For example, If you write an object or an array with memcache, it's interpreted as an integer by memcached. If you write it with memcached, it's

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PECL::memcachedのドキュメント。