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PHP DirectoryIterator rewind () function

Syntax:
void DirectoryIterator::rewind (void)
Parameters:This function takes no parameters.Returned value:This function does not return any value.The following programs illustrate the DirectoryIterator function::rewind() in PHP:Program 1:  
// Create an Iterator directory $directory = new DirectoryIterator (dirname ( __ FILE__ ));  
// Loop while the directory is valid while ( $directory -> valid()) { // Check the item in the directory if ( $directory -> isDir()) { // Show key and file name echo $directory -> key(). "= >" . $directory -> getFilename(). "
"
; } // Move to next item $directory -> next(); }  
// Use the rewind() function to navigate to
// start position $directory -> rewind ();  
// Show key and file name echo $directory -> key(). "= >" . $directory -> getFilename();  
?>
Output:
0 = > ... 1 = > .. 4 = > dashboard 8 = > img 11 = > webalizer 12 = > xampp 0 = > .
Program 2:  
// Create an Iterator directory $directory = new DirectoryIterator (dirname ( __ FILE__ ));  
// Loop for each directory item foreach ( $directory as $dir ) { // Show key and file name echo $dir -> key(). "= >" . $dir -> getFilename(). "
"
; }  
// Use the rewind() function to navigate to
// start position $directory -> rewind ();  
// Show key and file name echo $directory -> key(). "= >" . $directory -> getFilename();  
?>
Output:
0 = > ... 1 = > .. 2 = > applications.html 3 = > bitnami.css 4 = > dashboard 5 = > favicon.ico 6 = > engineer.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 contents of the server folder.Link: https : //www.php.net/manual/en/directoryiterator.rewind.php

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