PHP Client Comparison
转自：https://code.google.com/p/memcached/wiki/PHPClientComparison
There are primarily two clients used with PHP. One is the older, more widespread pecl/memcache and the other is the newer, less used, more feature rich pecl/memcached.
Both support the basics such as multiple servers, setting vaules, getting values, increment, decrement and getting stats.
Here are some more advanced features and information.
| pecl/memcache | pecl/memcached | |
|---|---|---|
| First Release Date | 2004-06-08 | 2009-01-29 (beta) |
| Actively Developed? | Yes | Yes |
| External Dependency | None | libmemcached |
| Features | ||
| Automatic Key Fixup1 | Yes | No |
| Append/Prepend | No | Yes |
| Automatic Serialzation2 | Yes | Yes |
| Binary Protocol | No | Optional |
| CAS | No | Yes |
| Compression | Yes | Yes |
| Communication Timeout | Connect Only | Various Options |
| Consistent Hashing | Yes | Yes |
| Delayed Get | No | Yes |
| Multi-Get | Yes | Yes |
| Session Support | Yes | Yes |
| Set/Get to a specific server | No | Yes |
| Stores Numerics | Converted to Strings | Yes |
- pecl/memcache will convert an invalid key into a valid key for you. pecl/memcached will return false when trying to set/get a key that is not valid.
- You do not have to serialize your objects or arrays before sending them to the set commands. Both clients will do this for you.