<?php function to_file($input){ $input = str_replace(' ','_',$input); $input = str_replace('__','_',$input); $input = str_replace(',_',',',$input); $input = str_replace('_,',',',$input); $input = str_replace('-_','-',$input); $input = str_replace('_-','-',$input); $input = str_replace(',','__',$input); return $input; } function book_output($input){ $input = str_replace('__',',',$input); $input = str_replace('_',' ',$input); $input = str_replace(',',', ',$input); $input = str_replace('-',' - ',$input); list($author,$title) = explode('-',$input,2); $author = trim($author); $title = trim($title); if(!$title){ $title = $author; $author = ''; } return '<span class="title">'.htmlspecialchars($title).'</span>'. '<span class="author">'.htmlspecialchars($author).'</author>'; }