PHP Dokumentation: Directoryiterator valid
12. Januar 2010 von werner
DirectoryIterator::valid
(PHP 5)
DirectoryIterator::valid — Check whether current DirectoryIterator position is a valid file
Beschreibung
public bool DirectoryIterator::valid ( void )
Check whether current DirectoryIterator position is a valid file.
Parameter-Liste
Diese Funktion hat keine Parameter.
Rückgabewerte
Returns TRUE if the position is valid, otherwise FALSE
Beispiele
Beispiel #1 A DirectoryIterator::valid example
<?php
$iterator = new DirectoryIterator(dirname(__FILE__));// Loop to end of iterator
while($iterator->valid()) {
$iterator->next();
}$iterator->valid(); // FALSE
$iterator->rewind();
$iterator->valid(); // TRUE?>Siehe auch
- DirectoryIterator::current – Return the current DirectoryIterator item.
- DirectoryIterator::key – Return the key for the current DirectoryIterator item
- DirectoryIterator::next – Move forward to next DirectoryIterator item
- DirectoryIterator::rewind – Rewind the DirectoryIterator back to the start
- Iterator::valid – Prüft, ob die aktuelle Position zulässig ist
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