//i want to display the value of the field txt in my form
<?php
if(isset($_COOKIE)){
print($_COOKIE['name']);
}
setcookie("name","myform[txt]",time() + 24 * 60 * 60);
?>
<form action="" name="myform" method="post">
<input type="text" name="txt" id="txt" />
<input type="submit" formmethod="post" />
</form>