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Swoole\Connection\Iterator::offsetExists

(PECL swoole >= 1.9.0)

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

說(shuō)明

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

Check if offset exists.

參數

index

The offset being checked.

返回值

Returns TRUE if the offset exists, otherwise FALSE.

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