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DirectoryIterator::valid

(PHP 5, PHP 7, PHP 8)

DirectoryIterator::valid — Check whether current DirectoryIterator position is a valid file

Description

public DirectoryIterator::valid(): bool

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

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