Created
May 31, 2019 23:01
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
| <title>Document</title> | |
| </head> | |
| <body> | |
| <form action="result.php" method="post"> | |
| <input type="text" name="name"> | |
| <input type="submit" value="salvar"> | |
| </form> | |
| </body> | |
| </html> |
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| <?php | |
| $name = filter_input(INPUT_POST, 'name'); // pego o valor enviado pelo formulário | |
| try { | |
| if (!$name) { | |
| throw new InvalidArgumentException('Nome não pode ficar em branco'); | |
| } | |
| preg_match('/\s/', $name, $matches); | |
| if (count($matches) > 0) { | |
| throw new InvalidArgumentException('Nome não pode conter espaços'); | |
| } | |
| echo 'Ok, valor correto'; | |
| } catch(InvalidArgumentException $e) { | |
| $error_message = [ | |
| 'Erro de validação:', | |
| $e->getMessage() | |
| ]; | |
| echo implode(' ', $error_message); | |
| } | |
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