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PHP | DirectoryIterator isLink() Function
  • Last Updated : 26 Nov, 2019

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




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