ArrayIterator
PHP Manual

ArrayIterator::offsetExists

(PHP 5 >= 5.0.0)

ArrayIterator::offsetExists — Check if offset exists

说明

public void ArrayIterator::offsetExists ( string $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

ArrayIterator
PHP Manual