I'm trying to output a string for further creating a HTML file and I can't figure out, how to make the string working. Parts without functions work just fine, but those functions do not work...
My code:
$stringData = "";
$stringData .= "
<!DOCTYPE html>
<html xmlns='http://www.w3.org/1999/xhtml' dir='ltr' lang='cs-cz' xml:lang='cs-cz'>
<head>
<link rel='stylesheet' type='text/css' href='out_styl.css'>
<link rel='stylesheet' type='text/css' href='reset.css'>
<meta http-equiv='content-type' content='text/html; charset=UTF-8' />
</head>
<body>
<div class='stranka'>
<div class='part'>
<h1>Denní nabídka - pondělí</h1>
";
$stringData .= jout("0,2 l", vp_u($dat_po, "pol", "nazev"), vp_u($dat_po, "pol", "cena") . ",-");
$stringData .= "<span>Menu 1.</span>";
$stringData .= jout("0,2 l", vp_u($dat_po, "pol", "nazev"), "");
$stringData .= jout(vp_u($dat_po, "hlj", "gramaz") . " g", vp_u($dat_po, "hlj", "nazev"), vp_u($dat_po, "hlj", "cena") . ",-");
$stringData .= "<span>Menu 2.</span>";
$stringData .= jout("0,2 l", vp_u($dat_po, "pol", "nazev"), "");
$stringData .= jout(vp_u($dat_po, "hld", "gramaz") . " g", vp_u($dat_po, "hld", "nazev"), vp_u($dat_po, "hld", "cena") . ",-");
$stringData .= "<span>Menu 3.</span>";
$stringData .= jout("0,2 l", vp_u($dat_po, "pol", "nazev"),"");
$stringData .= jout(vp_u($dat_po, "hlt", "gramaz") . " g", vp_u($dat_po, "hlt", "nazev"), vp_u($dat_po, "hlt", "cena") . ",-");
$stringData .= "
</div>
</div>
</body>
</html>
";
Thanks for help