# php.ini选项

swoole.enable_coroutine
---
`On`, `Off` 开关内置协程, 默认开启

swoole.aio_thread_num
----
设置`AIO`异步文件读写的线程数量，默认为`2`

swoole.display_errors
---
关闭/开启`Swoole`错误信息，默认开启

swoole.socket_buffer_size
------
设置进程间通信的`Socket`缓存区尺寸，默认为`8M`

swoole.fast_serialize
------
swoole_server中的task功能中是否使用swoole_serialize对异步任务数据序列化

swoole.use_shortname
-----
是否启用短别名。


类名映射关系
----

<table>
<thead>
<tr>
<th>下划线类名风格</th>
<th>命名空间风格</th>
</tr>
</thead>
<tbody>
<tr><td>swoole_server</td><td>Swoole\Server</td></tr>
<tr><td>swoole_client</td><td>Swoole\Client</td></tr>
<tr><td>swoole_process</td><td>Swoole\Process</td></tr>
<tr><td>swoole_timer</td><td>Swoole\Timer</td></tr>
<tr><td>swoole_table</td><td>Swoole\Table</td></tr>
<tr><td>swoole_lock</td><td>Swoole\Lock</td></tr>
<tr><td>swoole_atomic</td><td>Swoole\Atomic</td></tr>
<tr><td>swoole_buffer</td><td>Swoole\Buffer</td></tr>
<tr><td>swoole_redis</td><td>Swoole\Redis</td></tr>
<tr><td>swoole_event</td><td>Swoole\Event</td></tr>
<tr><td>swoole_mysql</td><td>Swoole\MySQL</td></tr>
<tr><td>swoole_mmap</td><td>Swoole\Mmap</td></tr>
<tr><td>swoole_channel</td><td>Swoole\Channel</td></tr>
<tr><td>swoole_serialize</td><td>Swoole\Serialize</td></tr>
<tr><td>swoole_http_server</td><td>Swoole\Http\Server</td></tr>
<tr><td>swoole_http_client</td><td>Swoole\Http\Client</td></tr>
<tr><td>swoole_http_request</td><td>Swoole\Http\Request</td></tr>
<tr><td>swoole_http_response</td><td>Swoole\Http\Response</td></tr>
<tr><td>swoole_websocket_server</td><td>Swoole\WebSocket\Server</td></tr>
</tbody>
</table>

> 需要swoole-1.8.1或更高版本