PHP 5.6.0 released

DirectoryIterator::valid

(PHP 5)

DirectoryIterator::validCheck 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.

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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User Contributed Notes 1 note

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josh dot butts at vertive dot com
5 years ago
This function, as far as I can tell, returns boolean, not string.

$di = new DirectoryIterator(/path/to/iterate);
while ($di->valid())
{
    echo $di->getPathname() . "\n";
    $di->next();
}
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