PHP | DirectoryIterator isDot() Function

The DirectoryIterator::isDot() function is an inbuilt function in PHP which is used to check the current DirectoryIterator item is ‘.’ or ‘..’
Syntax:
bool DirectoryIterator::isDot( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns TRUE if the entry is . or .., otherwise FALSE.
Below programs illustrate the DirectoryIterator::isDot() function in PHP:
Program 1:
<?php // Create a directory Iterator $directory = new DirectoryIterator(dirname(__FILE__)); // Loop runs for each element of directory foreach($directory as $dir) { // Check if not a dot directory if (!$dir->isDot()) { // Display directory element and its permission $perms = substr(sprintf('%o', $dir->getPerms()), -4); echo $dir->getFilename() . " " . " | Permission: " . $perms . "<br>"; } } ?> |
Output:
applications.html | Permission: 0666 bitnami.css | Permission: 0666 dashboard | Permission: 0777 favicon.ico | Permission: 0666 zambiatek.PNG | Permission: 0666 gfg.php | Permission: 0666 img | Permission: 0777 index.php | Permission: 0666 Sublime Text Build 3211 x64 Setup.exe | Permission: 0777 webalizer | Permission: 0777 xampp | Permission: 0777
Program 2:
<?php // Create a directory Iterator $directory = new DirectoryIterator(dirname(__FILE__)); // Loop runs while directory is valid while ($directory->valid()) { // Check if not a dot directory if (!$directory->isDot()) { echo $directory->getFilename() . "<br>"; } $directory->next(); } ?> |
Output:
applications.html bitnami.css dashboard favicon.ico zambiatek.PNG gfg.php img index.php Sublime Text Build 3211 x64 Setup.exe webalizer xampp
Note: The output of this function depends on the content of server folder.
Reference: https://www.php.net/manual/en/directoryiterator.isdot.php



