International PHP Conference 2019 - Spring Edition

ArrayIterator::offsetExists

(PHP 5, PHP 7)

ArrayIterator::offsetExistsCheck if offset exists

说明

public bool ArrayIterator::offsetExists ( mixed $index )

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

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