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<?php

function str_wordcount($str, $br=".") {

	if (strlen((string)$str) == 0) {

	   return 0;

	}

	$as = explode($br, $str);

	$anz = 0;

	foreach ($as as $tk) {

	   $anz++;

	}

	return $anz;

}

function FormatNum($num, $komma) {

	$str = sprintf ("%." . $komma . "f", $num);

	$str = str_replace (".", "|", $str);

	$str = str_replace (",", ".", $str);

	$str = str_replace ("|", ",", $str);

	return $str;

}

function GetPT($periode) {

	$mon = gmdate("n", $periode);

	$year = gmdate("Y", $periode);

	$days = daysinmonth($mon, $year);

	$d = 1;

	$wd = 0;

	while ($d <= $days) {

	   $ts = gmmktime(0, 0, 0, $mon, $d, $year);

	   $dtarr = getdate($ts);

	   $wday = $dtarr["wday"];

	   if ($wday > 0 && $wday < 6)

	      $wd++;

	   $d++;

	}

	return $wd;

}

function CheckTrue($var) {

	if (!isset($var))

	   return false;

	if (is_bool($var) && $var == true)

	   return true;

	if (is_string($var) && ($var == "t" || $var == "true" || $var == "on"))

	   return true;

	if (is_numeric($var) && $var != 0)

	   return true;

	return false;

}

function GetBrowserInfo($key) {

	$browser = get_browser();

        while (list ($schl, $value) = each ($browser)) {

	   if ($schl == $key)

	      return $value;

	}

	return "";

}

function DEBUG($str) {

	$fp = fopen("/tmp/debug.txt", "a");

	$tm = date("j.n.Y H:i:s", time());

	fwrite($fp, "$tm: $str\n");

	fclose($fp);

}

?>