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();
}
DirectoryIterator::valid
(PHP 5)
DirectoryIterator::valid — Check whether current DirectoryIterator position is a valid file
Description
public bool DirectoryIterator::valid ( void )
Check whether current DirectoryIterator position is a valid file.
Parameters
This function has no parameters.
Return Values
Returns TRUE if the position is valid, otherwise FALSE
Examples
Example #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
?>
See Also
- 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 - Checks if current position is valid
User Contributed Notes
DirectoryIterator::valid
DirectoryIterator::valid
josh dot butts at vertive dot com
02-Sep-2008 04:47
02-Sep-2008 04:47