PHP rotating in array

array_rotating.php

<?php
function rotate($object, $object_uid, $property, $array, $field_index='uid', $return_field = "name")
{
	global $db;

	$return_data = false;
	$rotating_array = array();
	$next_value = false;
	$next_label = false;

	/**
	 * Check if the array passed over is actual an array,
	 * Otherwise, assuming it a table name 
	 * Then, we will get all data from that table and start rotating
	 */
	if(is_array($array))
	{
		$rotating_array = $array;
	}
	else
	{
		$rotating_array = $db->get_all($array);
	}

	// die(var_dump($rotating_array));

	// Get current value of the object
	$object_array = $db->get_one($object, array("uid" => sanitize_data($object_uid)));
	// die(var_dump($object_array));

	if(sizeof($rotating_array) > 0)
	{
		for ($i=0; $i < sizeof($rotating_array); $i++) { 
			if($object_array[$property]==$rotating_array[$i][$field_index])
			{
				$next_rotating = $i+1;

				if($next_rotating == sizeof($rotating_array))
				{
					$next_value = $rotating_array[0][$field_index];
					$next_label = $rotating_array[0][$return_field];
				}
				else
				{
					$next_value = $rotating_array[$next_rotating][$field_index];
					$next_label = $rotating_array[$next_rotating][$return_field];
				}

				// exit the for loop
				break;
			}
		}
	}

	if($next_value)
	{
		$updating_array = array();
		$updating_array[$property] = $next_value;
		$db->update($object, $updating_array, array('uid'=> $object_uid));
	}

	// die(var_dump($next_value));

	echo json_encode($next_label);
}