Find Next Array Item :: This function will find the next item in an array. Useful for dynamically generating a nav link for the next sibling page based on the $nav array. #fuel

find_next_nav_item.php

<?php


function find_next($array, $search, $key, $loop = false)
{
	// $array = array to search
	// $search = string to search against, e.g. current uri_string()
	// $key = array key to compare $search against
	// $loop = if set to TRUE will return first value if it reaches the end of the array
	
	$current = false;
	$next = ''; 
	foreach ($array as $data) 
	{
		if ($current === true) 
		{
			$next = $data;
			break;
		}
		if ($search === $data[$key]) 
		{
			$current = true;
		}
	}
	if (!empty($next)) 
	{
		return $next;
	}
	else
	{
		if (!$loop) return FALSE;
		return reset($array);
	}
}


// USAGE

$nav = fuel_nav(array('render_type' => 'array', 'parent' => uri_segment(1)));

$next = findnext($nav, uri_string(), 'location');