// NEW orvil: if no passthru variable is explicitely set, save the whole query_string
else

$_SESSION['ls_initialquerystr']=$_SERVER['QUERY_STRING'];


// end code


2. something to add in the common.php function passthruReplace($line, $thissurvey) (V1.90RC1 lines 3326ff)

function passthruReplace($line, $thissurvey)

$line=str_replace("\(PASSTHRULABEL\)", $thissurvey['passthrulabel'], $line);
$line=str_replace("\(PASSTHRUVALUE\)", $thissurvey['passthruvalue'], $line);

// NEW orvil: replacement for variable passthru argument like PASSTHRU:myarg
while (strpos($line,"\(PASSTHRU:") !== false)

$p1 = strpos($line,"\(PASSTHRU:"); // startposition
$p2 = $p1 + 10; // position of the first arg char
$p3 = strpos($line,"",10); // position of the last arg char

$cmd=substr($line,$p1,$p3-$p1+1); // extract the complete passthru like "PASSTHRU:myarg"
$arg=substr($line,$p2,$p3-$p2); // extract the arg to passthru (like "myarg")

// lookup for the fitting arg
$qstring = $_SESSION['ls_initialquerystr']; // get initial query_string

parse_str($qstring, $keyvalue); // split into key and value
$match = 0; // prevent an endless loop if there is no arg in url
foreach ($keyvalue as $key=>$value) // lookup loop

if ($key == $arg) // if match

$line=str_replace($cmd, $arg . "=" . $value, $line); // replace
$match = 1;
break;

if ($match == 0)

$line=str_replace($cmd, $arg . "=", $line); // clears "PASSTHRU:myarg to "myarg=" if there was no myarg in calling url





return $line;