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DirectoryIterator::valid

(PHP 5, PHP 7)

DirectoryIterator::validCheck whether current DirectoryIterator position is a valid file

Beschreibung

public DirectoryIterator::valid ( void ) : bool

Check whether current DirectoryIterator position is a valid file.

Parameter-Liste

Diese Funktion besitzt keine Parameter.

R├╝ckgabewerte

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

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