<?php
// 18 lines
// Usage:
// regex($string, "<title>", "</title>);
function regex($string, $start, $end, $strip=TRUE){
	/* Sanity Check */
	if(is_array($string) OR !isset($string)){
		return FALSE; // If its an array, we can't parse it
	} else { // If its not an array, go ahead

	    // Descide weather to strip out odd chars
		if($strip == 1){ // TRUE
			$string = str_replace("\n","",str_replace("\r","",$string)); // strip new lines
		} elseif($strip == 2){
			$string = stripslashes(str_replace("\n","",str_replace("\r","",trim($matches[1],"\x00..\x1F")))); // strip anything
		}  // or FALSE or 0

	    $break_one=explode($start,$string);
	    $break_two=explode($end,$break_one[1]);
		return (!$strip == FALSE) ? trim($break_two[0]) : $break_two[0];
	} // end if
}

// 13 lines
// Usage:
// regex($string, "<title>");
function get_tag_contents($string, $tag, $strip=TRUE){
	/* Sanity Check */
	$tag = str_replace(array("<",">","/"),"",$tag); // Stip out tag parts, we add them in later
	if(is_array($string) OR !isset($string)){
		return FALSE; // If its an array, we can't parse it
	} else { // If its not an array, go ahead
			if(!preg_match("/.<".$tag."[^>]*>(.*?)<.".$tag.">/si",$string,$matches) && !is_array($matches)){
				return FALSE;
			}
			// strip extra line slashes out if wanted.
			return ($strip) ? stripslashes(str_replace("\n","",trim($matches[1],"\x00..\x1F"))) : $matches[1];
	}
}

function get_all_tag_contents($string, $tag, $strip=TRUE, $multi=FALSE){
	/* Sanity Check */
	$tag = str_replace(array("<",">","/"),"",$tag); // Stip out tag parts, we add them in later
	if(is_array($string) OR !isset($string)){
		return FALSE; // If its an array, we can't parse it
	} else { // If its not an array, go ahead
			if($multi){ // Search for the same tag or not

				if(!preg_match_all("/<".$tag."[^>]*>(.*?)<.".$tag.">/s",$string,$matches) && !is_array($matches)){
					return FALSE; // We don't have an array. Cannot continue
				}
				if(count($matches) > 2){
					$results = ($strip) ? stripslashes(str_replace("\n","",trim($matches[0][1],"\x00..\x1F"))) : $matches[0][1]; // Get result since we only have one
				} else {
					$results = array();
					foreach($matches[1] as $result){ // This seems to work, leave it for now
						if($strip){
							$results[] = stripslashes(str_replace("\n","",trim($result,"\x00..\x1F")));
						} else {
							$results[] = $result;
						} // end if
					} // end foreach
				}
			return $results; // if its multi mode, we are done

		} else { // if we are not doing multi mode, we start now
			if(!preg_match("/.<".$tag."[^>]*>(.*?)<.".$tag.">/si",$string,$matches) && !is_array($matches)){
				return FALSE;
			}
			// strip extra line slashes out if wanted.
			return ($strip) ? stripslashes(str_replace("\n","",trim($matches[1],"\x00..\x1F"))) : $matches[1];
		}
	} // end sanity check
} // end function
?>