PHP | DirectoryIterator isLink() Function

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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(); 
} 
   
?> 