Builds an URL with GET params in PHP

build_get_url.php

<?php
/**
 * Build an URL with GET params
 * @param  string $url    The URL
 * @param  array  $params The GET params to append to the url
 * @return string         The new builded URL
 */
function build_get_url($url, $params){
	$index = 0;

	foreach ($params as $key => $value) {
		$delemiter = "&";
		if($index == 0){
			$delemiter = "?";
		}

		$url .= $delemiter.$key."=".urlencode($value);

		$index++;
	}

	return $url;
}