//********************************************************************
// Função para retornar toda a variável em MAIÚSCULO.
//********************************************************************
function maiusculo(&$string) // Coloca todo conteúdo da variavel em MAIUSCULO.
{
$string = strtoupper($string);
$string = str_replace("á","Á",$string);
$string = str_replace("é","É",$string);
$string = str_replace("í","Í",$string);
$string = str_replace("ó","Ó",$string);
$string = str_replace("ú","Ú",$string);
$string = str_replace("â","Â",$string);
$string = str_replace("ê","Ê",$string);
$string = str_replace("ô","Ô",$string);
$string = str_replace("î","Î",$string);
$string = str_replace("û","Û",$string);
$string = str_replace("ã","Ã",$string);
$string = str_replace("õ","Õ",$string);
$string = str_replace("ç","Ç",$string);
$string = str_replace("à","À",$string);
$string = str_replace("è","È",$string);
return $string;
}