CachingIterator
PHP Manual

CachingIterator::valid

(PHP 5, PHP 7)

CachingIterator::validCheck whether the current element is valid

Description

public void CachingIterator::valid ( void )
Warning

This function is currently not documented; only its argument list is available.

Check whether the current element is valid.

Parameters

This function has no parameters.

Return Values

Returns TRUE on success or FALSE on failure.


CachingIterator
PHP Manual