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

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




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