IteratorIterator::valid

(PHP 5 >= 5.1.0)

IteratorIterator::validChecks if the iterator is valid

Description

public bool IteratorIterator::valid ( void )

Checks if the iterator is valid.

Parameters

This function has no parameters.

Return Values

Returns TRUE if the iterator is valid, otherwise FALSE

See Also

Коментарии

An Iterator is "valid" when it has additional elements, beyond its element index.

Said another way: After an Iterator is next()'d to its final element, the Iterator is no longer "valid".

Said another way: A "hasNext" check would simply return ::valid()
2018-01-18 17:24:39
http://php5.kiev.ua/manual/ru/iteratoriterator.valid.html

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