PHP | ArrayIterator seek() Function

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

<?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

<?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

PHP | ArrayIterator seek() Function

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