PHP | DirectoryIterator isLink() Function

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

<?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

<?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.