DirectoryIterator
PHP Manual

DirectoryIterator::valid

Check whether current DirectoryIterator position is a valid file

Description

public bool DirectoryIterator::valid()

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
  • DirectoryIterator::key
  • DirectoryIterator::next
  • DirectoryIterator::rewind
  • Iterator::valid