PHP | ArrayIterator next() Function

The ArrayIterator::next() function is an inbuilt function in PHP which is used to move the iterator to the next entry.

Syntax:

void ArrayIterator::next( void )

Parameters: This function does not accept any parameters.

Return Value: This function does not return any value.

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

Program 1:

<?php 
    
// Declare an ArrayIterator 
$arrItr = new ArrayIterator( 
    array('G', 'e', 'e', 'k', 's', 'f', 'o', 'r') 
); 
   
// Display the elements 
while($arrItr->valid()) { 
    echo $arrItr->current(); 
    $arrItr->next(); 
} 
    
?> 

Output:

Geeksfor

Program 2:

<?php 
    
// Declare an ArrayIterator 
$arrItr = new ArrayIterator( 
    array("Geeks", "for", "Geeks") 
); 
    
// Display value of array iterator 
echo $arrItr->current() . "\n"; 
  
// Use next() function to move 
// element into next position 
$arrItr->next(); 
  
// Display value of array iterator 
echo $arrItr->current() . "\n"; 
  
// Use next() function to move 
// element into next position 
$arrItr->next(); 
  
// Display value of array iterator 
echo $arrItr->current(); 
    
?> 

Output:

Geeks
for
Geeks

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

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