A Database select function

PHP Database Select Function

function dbSelect($select,$from,$where,$orderby=false,$limit=false,$connection=false) {
	// dbSelect 0.2, Created by AS
	// General Database Selection Function
		
	// initate variables
	$query = ''; // String to Setup query
	$return = ''; // The return array
	$rowsReturned = ''; // The Number of Rows Returned from the query
	$error = false; // Boolean. Has an error.
	
	$query = 'SELECT '; // Initiate Query
		
	if(!empty($select)) { // Check the SELECT Query is not empty
		if(is_array($select)) { // $select argument is an array
			foreach($select as $s) {
				$query .= $s.","; // Loop the Selected Rows
			}
			$query = substr($query,0,-1); // Strip the Last Comma
		} else {
			$query .= $select; // Standard string $select argument.
		}
	} else {
		$error .= "No SELECT Argument Set in dbSelect function"; // Is an empty Select Argument
	}
		
	$query .= ' FROM '; // Continue building SQL Statement
		
	if(!empty($from)) { // Check the FROM query is not empty
		if(is_array($from)) { // $from argument is an array
			foreach($from as $f) {
				$query .= "`".$f."`,";
			}
			$query = substr($query,0,-1); // Strip the Last Comma
		} else {
			$query .= $from; // Standard string $from argument
		}
	} else {
		$error .= "No FROM Argument Set in dbSelect function"; // Is an empty Select Argument
	}
		
	if($where) { $query .= ' WHERE '.$where; } // If has where condition
	if($orderby) { $query .= ' ORDER BY '.mysql_real_escape_string($orderby); } // If order by condition
	if($limit) { $query .= ' LIMIT '.mysql_real_escape_string($limit); } // If order by condition
	
	if($resource = mysql_query($query)) {
		$rowsReturned = mysql_num_rows($resource); // Check the Amount of Rows Returned
		if(mysql_num_rows($resource) > 0) {		
			$return['rows'] = $rowsReturned;
			if($rowsReturned == 1) {
				$return['results'][0] = mysql_fetch_array($resource); // Returned Single Row of Results
			} else {
				// Has returned multiple results. Run Query to get them
				$return['results'] = array();
				while($rows = mysql_fetch_assoc($resource)) {
					$return['results'][] = $rows; // Return The Rows into an array
				}
			}
		} else {
			$return['results'] = 0; // Has Return no results	
		}
	} else {
		$error = 'Query Error ('.$query.')'; // Error with MySQL Query
	}
	if(DEBUG == true) { if($error) { echo $error; exit; } } // Check for Error
	return $return; // Return the Array
}