ArrayIterator::offsetExists

(PHP 5, PHP 7, PHP 8)

ArrayIterator::offsetExistsCheck if offset exists

说明

public ArrayIterator::offsetExists ( mixed $index ) : bool

Checks if the offset exists.

Warning

本函数还未编写文档,仅有参数列表。

参数

index

The offset being checked.

返回值

true if the offset exists, otherwise false

参见

User Contributed Notes

There are no user contributed notes for this page.