PHP | ArrayIterator seek() Function

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The ArrayIterator::seek() function is an inbuilt function in PHP which is used to seek the position of an array iterator.

Syntax:

void ArrayIterator::seek( int $position )

Parameters: This function accepts single parameter $position which holds the position to seek.

Return Value: This function does not return any value.

Below programs illustrate the ArrayIterator::seek() function in PHP:

Program 1:

<?php 
  
// Declare an ArrayIterator 
$arrItr = new ArrayIterator( 
    array( 
        "a" => 4, 
        "b" => 2, 
        "g" => 8, 
        "d" => 6, 
        "e" => 1, 
        "f" => 9 
    ) 
); 
  
// Seek the position 
$arrItr->seek(5); 
      
// Display the element 
echo $arrItr->current(); 
  
?> 

Output:

Program 2:

<?php 
     
// Declare an ArrayIterator 
$arrItr = new ArrayIterator( 
    array( 
        "b" => "for", 
        "a" => "Geeks", 
        "e" => "Science", 
        "c" => "Geeks", 
        "f" => "Portal", 
        "d" => "Computer"
    ) 
); 
    
// Check the validity of ArrayIterator 
if($arrItr->valid()) { 
      
    // Seek the position 
    $arrItr->seek(3); 
      
    // Display the element 
    echo $arrItr->current(); 
} 
  
?> 

Output:

Geeks

Reference: https://www.php.net/manual/en/arrayiterator.seek.php

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