PHP Manual
Swoole\Connection\Iterator
Check if offset exists.

Swoole\Connection\Iterator::offsetExists

(PECL swoole >= 1.9.0)

Swoole\Connection\Iterator::offsetExists — Check if offset exists.

説明

public function Swoole\Connection\Iterator::offsetExists(int $index): bool

Check if offset exists.

パラメータ

index: The offset being checked.

戻り値

Returns TRUE if the offset exists, otherwise FALSE.

関連キーワード:

offset Swoole Connection Iterator exists Check offsetExists index next offsetGet swoole checked otherwise

関連する関数・ページ:

class.swoole-connection-iterator swoole-connection-iterator.offsetunset swoole-connection-iterator.offsetset swoole-connection-iterator.offsetget swoole-connection-iterator.next swoole-connection-iterator.rewind