Input select selected

<input select name="values"> 
<option value="value1" <?php if($select == "value1") { echo "select='selected'" ; ?>></option> 
<option value="value2" <?php if($select == "value2") { echo "select='selected'" ; ?>></option> 
</select> 

$select = $_POST['values'] ;

select='$select'

$select_sql = $donnees['select'];

<input select name="values"> 
<option value="value1" <?php if($select_sql == "value1") { echo "select='selected'" ; ?>></option> 
<option value="value2" <?php if($select_sql == "value2") { echo "select='selected'" ; ?>></option> 
</select> 

$value = données['value'];

<option value="value1" <?php if($value == 'value1') {echo 'select="selected"';} ?>>value1</option>
( Idem pour le reste, sauf les valeurs ! )

<option value="value1" >value1</option>
<option value="value2" select="selected">value2</option>

if($value == '0')
{
// Mettre tous les <option>
}
else if($value == 'value1')
{
// Mettre seulement l'<option> value1
}
else if($value == 'value2')
{
// Mettre seulement l'<option> value2
}