From http://www.w3schools.com (Copyright Refsnes Data)

PHP next() Function

PHP Array Reference Complete PHP Array Reference

Definition and Usage

The next() function moves the internal pointer to, and outputs, the next element in the array.

This function returns the value of the next element in the array on success, or FALSE if there are no more elements.

Syntax

next(array)

Parameter Description
array Required. Specifies the array to use

Tips and Notes

Note: This function returns FALSE on empty elements or elements with no value.

Example

<?php
$people = array("Peter", "Joe", "Glenn", "Cleveland");
echo current($people) . "<br />";
echo next($people); 
?>

The output of the code above will be:

Peter
Joe

PHP Array Reference Complete PHP Array Reference

From http://www.w3schools.com (Copyright Refsnes Data)