AppendIterator::valid

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

AppendIterator::validChecks validity of the current element

說明

public AppendIterator::valid(): bool

Checks validity of the current element.

參數(shù)

此函數(shù)沒有參數(shù)。

返回值

Returns true if the current iteration is valid, false otherwise.

參見