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often you need to "remember" what a user inputs in a form.
that's not a problem with textfields, but with selectboxes it's a bit harder...
<?
// you need the values of your combobox in an array
$values = array('us','de','uk','fr','xx');
echo '
<form method="post" action="'.$_SERVER['PHP_SELF'].'">
<select name="country">';
for($x = 0; $x < count($values); $x++)
{
// write "selected" if the value matches the one posted
if($values[$x] == $_POST['country'])
{
$selected = ' selected';
}else{
$selected = '';
}
// print the option
echo '
<option value="'.$values[$x].'"'.$selected.'>'.$values[$x].'</option>';
}
echo '
</select>
<input type="submit" value="check it out">
</form>';
?>
learn more about some of the PHP functions used in this snippet: array, count, echo, else, for, print
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