- PHP 手册
- 函数参考
- 其它基本扩展
- Swoole
- Swoole\Connection\Iterator
Swoole\Connection\Iterator::offsetExists
(PECL swoole >= 1.9.0)
Swoole\Connection\Iterator::offsetExists — Check if offet exists.
说明
public Swoole\Connection\Iterator::offsetExists(int$index): bool
Check if offset exists.
参数
-
index -
The offset being checked.
返回值
Returns TRUE if the offset exists, otherwise FALSE.
User Contributed Notes
There are no user contributed notes for this page.官方地址：https://www.php.net/manual/en/swoole-connection-iterator.offsetexists.php