586                   $src,$title=NULL,$align=NULL,$width=NULL,$height=NULL,$cache=NULL  argument
593                  $src,$title=NULL,$align=NULL,$width=NULL,$height=NULL,$cache=NULL  argument
1209              $height=NULL, $cache=NULL, $linking=NULL) {  argument
1213                $cache, $linking);
1265              $height=NULL, $cache=NULL, $linking=NULL) {  argument
1314               $height=NULL, $cache=NULL, $linking=NULL) {  argument
1322                $height, $cache, $linking);
1344   function calc_cache($cache) {  argument
1347     if(strtolower($cache) == 'nocache') return 0; //never cache
1348     if(strtolower($cache) == 'recache') return $conf['cachetime']; //use standard cache
1361   function get_from_URL($url,$ext,$cache) {  argument
1368     if( $cache == 0 ||                             // never cache
1369     ($mtime != 0 && $cache != -1) ||           // exists but no endless cache
1371     ($cache != -1 && $mtime < time()-$cache)   // expired
1392               $height=NULL, $cache=NULL, $linking=NULL) {  argument
1397       $filename = $this->get_from_URL($src,$ext,$this->calc_cache($cache));
1401     $this->unformatted('externalmedia dnl error: ' . $src . ' ext: ' . $ext. ' cache: '. $cache);
1404                 $height, $cache, $linking);
1502             $height=NULL, $cache=NULL) {  argument
1508       $ret .= ml($src,array('w'=>$width,'h'=>$height,'cache'=>$cache));
1520            $height=NULL, $cache=NULL) {  argument
1527     $filename = $this->get_from_URL($src,$ext,$this->calc_cache($cache));
1529       $this->unformatted('externalmedia dnl error: ' . $src . ' ext: ' . $ext. ' cache: '. $cache);
1533                    $height, $cache, $linking);
1555            $height=NULL, $cache=NULL) {  argument
1562       $ret .= '<img src="'.ml($src,array('w'=>$width,'h'=>$height,'cache'=>$cache)).'"';