JQuery基础实例以及详解

<?php define('STORE', 'ratings.dat'); function put_contents($file,$content) { $f = fopen($file,"w"); fwrite($f,$content); fclose($f); } if(isset($_REQUEST["rating"])) { $rating = $_REQUEST["rating"]; $storedRatings = unserialize(file_get_contents(STORE)); $storedRatings[] = $rating; put_contents(STORE, serialize($storedRatings)); $average = round(array_sum($storedRatings) / count($storedRatings), 2); $count = count($storedRatings); $xml = "<ratings><average>$average</average><count>$count</count></ratings>"; header('Content-type: text/xml'); echo $xml; } ?>