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Mostrar erro


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Faz tudo na mesma página. Ex :



# erros
$errors = array();

if ($_POST)
   # alguém tentou fazer login, processar os dados
   # se o login falhar :
   $errors[] = 'falhou o login!';
   # isto permite enviar para o ecrã os erros que quiseres


<form action="login.php" method="post">

if (!empty($errors)) : foreach ($errors as $error) : ?>
<div class="error"><?php echo $error; ?></div>
<?php endforeach; endif ?>
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