Php/docs/arrayiterator.offsetexists

• PHP Manual
• ArrayIterator
• Check if offset exists

ArrayIterator::offsetExists

(PHP 5, PHP 7)

ArrayIterator::offsetExists — Check 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

• ArrayIterator::valid() - Check whether array contains more entries