(PHP 5)
DirectoryIterator::valid — Check whether current DirectoryIterator position is a valid file
Check whether current DirectoryIterator position is a valid file.
У этой функции нет параметров.
Returns TRUE if the position is valid, otherwise FALSE
Пример #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
?>