Select the file descriptions which are ready to read/write or error in the eventloop

# swoole_select

(PECL swoole >= 1.9.0)

swoole_select — Select the file descriptions which are ready to read/write or error in the eventloop

### 说明

function swoole_select(
array `&$read_array`,
array `&$write_array`,
array `&$error_array`,
float `$timeout` = ?
): int

### 参数

`read_array`

`write_array`

`error_array`

`timeout`

### 返回值

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