The DirectoryIterator::isLink() function is an inbuilt function in PHP which is used to check the current DirectoryIterator item is a symbolic link or not.
Syntax:
bool DirectoryIterator::isLink( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns TRUE if the item is a symbolic link, otherwise returns FALSE.
Below programs illustrate the DirectoryIterator::isLink() 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) {           // Use isLink() function to store the result     $link = $dir->isLink();           // Display result     var_dump($link); }   ?> |
Output:
bool(false) bool(false) bool(false)
Program 2:
<?php    // Create a directory Iterator    $directory = new DirectoryIterator(dirname(__FILE__));    // Loop runs while directory is valid while ($directory->valid()) {            // Use isLink() function to store the result     $link = $directory->isLink();            // Display result     var_dump($link);           $directory->next(); }    ?> |
Output:
bool(false) bool(false) bool(false)
Note: The output of this function depends on the content of server folder.
Reference: https://www.php.net/manual/en/directoryiterator.islink.php
