Merging the Limesurvey 1.91+ branch of queXS in to the trunk

include/limesurvey/classes/dTexts/dFunctions/dFunctionIfcount.php

@@ -0,0 +1,39 @@
+<?php
+
+class dFunctionIfCount implements dFunctionInterface
+{
+	public function __construct()
+	{
+	}
+	
+	public function run($args)
+	{		
+		global $connect, $dbprefix;
+		list($field, $min, $max, $valueForTrue, $valueForFalse) = $args;
+		if($valueForTrue === null)
+			$valueForTrue = 'true';	// deafult value
+		if($valueForFalse === null)
+			$valueForFalse = 'false';	// deafult value
+		if($max == 0)	// if field with $max is empty '::'
+			$max = PHP_INT_MAX;
+		
+		$srid = $_SESSION['srid'];
+		$sid = $_POST['sid'];
+		$query = "SELECT * FROM {$dbprefix}survey_$sid WHERE id = $srid";
+		if(!$result = $connect->Execute($query)){
+			throw new Exception("Couldn't get question '$field' answer<br />".$connect->ErrorMsg()); //Checked	
+		}
+		$row = $result->fetchRow();		
+
+		$hits = 0;
+		while($e = each($row))
+			if(stripos($e['key'], $field) !== false)	// we're checking only fields containing answer to our question
+				if(($e['value'] !== ""))	//	increase hits if user answered that question
+					++$hits;
+		
+		if($hits >= $min && $hits <= $max)
+			return $valueForTrue;
+		else
+			return $valueForFalse;
+	}
+}