note 75709 deleted from reserved.variables by felipe

Note Submitter: mike 

----

<?php 
	/* 
	Simple function to get current page URL using comman PHP variables 
	
	Function inputs:
		$base if set to true will add the basename to the URL
		$www if set to true will add www. to host if not found
		$query if set to true will add the query string to the URL
		$echo if set to true will echo the URL instead of just returning it
	*/
	function get_url($base = true, $www = true, $query = true, $echo = false){
		$URL = ''; //open return variable
		$URL .= (($_SERVER['HTTPS'] != '') ? "https://" : "http://"); //get protocol
		$URL .= (($www == true && !preg_match("/^www\./", $_SERVER['HTTP_HOST'])) ? 'www.'.$_SERVER['HTTP_HOST'] : $_SERVER['HTTP_HOST']); //get host
		$path = (($_SERVER['REQUEST_URI'] != '') ? $_SERVER['REQUEST_URI'] : $_SERVER['PHP_SELF']); //tell the function what path variable to use
		$URL .= ((pathinfo($path, PATHINFO_DIRNAME) != '/') ? pathinfo($path, PATHINFO_DIRNAME).'/' : pathinfo($path, PATHINFO_DIRNAME)); //set up directory
		$URL .= (($base == true) ? pathinfo($path, PATHINFO_BASENAME) : ""); //add basename
		$URL  = preg_replace("/\?".preg_quote($_SERVER['QUERY_STRING'])."/", "", $URL); //remove query string if found in url
		$URL .= (($query == true && $_SERVER['QUERY_STRING'] != '') ? "?".$_SERVER['QUERY_STRING'] : ""); //add query string
		if($echo == true){
			echo $URL;
		}else{
			return $URL;
		}
	}
	
	/* Example */
	$page_url = get_url();
	echo $page_url;
?>