Hallo Deniz,
wie wäre es mit JavaScript?
<form name = "hyperlink" onsubmit = "javascript:window.location = 'http://wurst.de/' + this.vorname.value + this.zuname.value;">
<input type = "text" name = "zuname" />
<input type = "text" name = "vorname" />
<input type = "submit" value = "Absenden" />
</form>
Probier es mal aus! ;)
MfG,
McKinsey