The DirectoryIterator::seek() function is an inbuilt function in PHP which is used to seek the DirectoryIterator item to the given position.
Syntax:
void DirectoryIterator::seek( int $position )
Parameters: This function accept single parameter $position which holds the zero-based numeric position to seek the element.
Return Value: This function does not return any value.
Below programs illustrate the DirectoryIterator::seek() function in PHP:
Program 1:
<?php   // Create a directory Iterator $directory = new DirectoryIterator(dirname(__FILE__));   // Move to the third element (0 based indexing) $directory->seek(2);   // Check for validity of element if($directory->valid()) {       // Display the filename     echo $directory->getFilename(); }   ?> |
Output:
applications.html
Program 2:
<?php   // Create a directory Iterator $directory = new DirectoryIterator(dirname(__FILE__));   // Move to the third element (0 based indexing) $directory->seek(2);   // Check for validity of element if($directory->valid()) {       // Display the key and filename     echo $directory->key() . " => " .     $directory->getFilename(); }   ?> |
Output:
2 => applications.html
Note: The output of this function depends on the content of server folder.
Reference: https://www.php.net/manual/en/directoryiterator.seek.php
