PHP | DirectoryIterator rewind() Function
Last Updated :
26 Nov, 2019
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The DirectoryIterator::rewind() function is an inbuilt function in PHP which is used to rewind the DirectoryIterator back to the start position.
Syntax:
php
Output:
php
Output:
void DirectoryIterator::rewind( void )Parameters: This function does not accept any parameters. Return Value: This function does not return any value. Below programs illustrate the DirectoryIterator::rewind() function in PHP: Program 1:
<?php
// Create a directory Iterator
$directory = new DirectoryIterator(dirname(__FILE__));
// Loop runs while directory is valid
while ($directory->valid()) {
// Check the element is directory
if($directory->isDir()) {
// Display the key and file name
echo $directory->key() . " => " .
$directory->getFilename() . "<br>";
}
// Move to the next element
$directory->next();
}
// Use rewind() function to move to
// the start position
$directory->rewind();
// Display the key and file name
echo $directory->key() . " => " .
$directory->getFilename();
?>
0 => . 1 => .. 4 => dashboard 8 => img 11 => webalizer 12 => xampp 0 => .Program 2:
<?php
// Create a directory Iterator
$directory = new DirectoryIterator(dirname(__FILE__));
// Loop runs for each element of directory
foreach($directory as $dir) {
// Display key and file name
echo $dir->key() . " => " .
$dir->getFilename() . "<br>";
}
// Use rewind() function to move to
// the start position
$directory->rewind();
// Display key and file name
echo $directory->key() . " => " .
$directory->getFilename();
?>
0 => . 1 => .. 2 => applications.html 3 => bitnami.css 4 => dashboard 5 => favicon.ico 6 => geeks.PNG 7 => gfg.php 8 => img 9 => index.php 10 => Sublime Text Build 3211 x64 Setup.exe 11 => webalizer 12 => xampp 0 => .Note: The output of this function depends on the content of server folder. Reference: https://www.php.net/manual/en/directoryiterator.rewind.php
