+function createCache($content, $cacheFile)
+{
+ $fp = fopen($cacheFile,"w");
+ if($fp)
+ {
+ fwrite($fp,$content);
+ fclose($fp);
+ }
+ else
+ echo "WARNING: couldn't create cache file";
+
+ return;
+}
+
+function getCache($cacheFile, $expireTime)
+{
+ if( file_exists($cacheFile) &&
+ filemtime($cacheFile )>( time() - $expireTime ) )
+ {
+ return file_get_contents($cacheFile);
+ }
+
+ return false;
+}