Syntax:void FilesystemIterator::rewind (void)
Parameters:This function does not accept any parameters.
Returned value:This function does not return any value.The following programs illustrate the FilesystemIterator function::rewind() in PHP:
Program 1:
// Create a new file system iterator $fileItr = new FilesystemIterator (dirname ( __ FILE__ ), FilesystemIterator::KEY_AS_FILENAME);
// Loop starts while file iterator is active while ( $fileItr -> valid()) { // Validate uncatalogued item if (! $fileItr -> isDir() ) { // Show key echo $fileItr -> key(). "
" ; } // Move to next item $fileItr -> next(); }
// Rewind to starting position $fileItr -> rewind ();
// Show key echo "
After using rewind() function
" ; echo $fileItr -> key();
?> Output: applications.html bitnami.css favicon.ico engineer.html gfg.php index.php After using rewind() function applications.html
Program 2:
// Create a new file system iterator $fileItr = new FilesystemIterator (__ DIR__, FilesystemIterator::CURRENT_AS_PATHNAME);
// loop is performed for each element foreach ( $fileItr as $it ) { // Show current element echo $fileItr -> current(). "
" ; }
// Rewind to starting position $fileItr -> rewind ();
// Show key echo "
After using rewind() function
" ; echo $fileItr -> key();
?> Output: C: xampphtdocsapplications.html C: xampphtdocsitnami.css C: xampphtdocsdashboard C: xampphtdocsfavicon.ico C: xampphtdocsengineer.html C: xampphtdocsgfg.php C: xampphtdocstd C: xampphtdhtd ) function C: xampphtdocsapplications.html
Note . The output of this function depends on the contents of the server folder.Link: https : //www.php.net/manual/en/filesystemiterator.rewind.php
