# SplFixedArray::offsetExists

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplFixedArray::offsetExists — Returns whether the requested index exists

### 说明

public SplFixedArray::offsetExists(int `$index`): bool

Checks whether the requested index `index` exists.

### 参数

`index`

  The index being checked.

### 返回值

`true` if the requested `index` exists, otherwise `false`

`↑` and `↓` to navigate • `Enter` to select • `Esc` to close • `/` to open