form

<?php
$subjectPrefix = 'Contato Via Site [Mensagem do cliente: IMPORTANTE!]';
$emailTo = 'contato@studiodes.com.br';

if($_SERVER['REQUEST_METHOD'] == 'POST') {
    $name    = stripslashes(trim($_POST['form-name']));
    $email   = stripslashes(trim($_POST['form-email']));
    $subject = stripslashes(trim($_POST['form-subject']));
    $message = stripslashes(trim($_POST['form-message']));
    $pattern  = '/[\r\n]|Content-Type:|Bcc:|Cc:/i';

    if (preg_match($pattern, $name) || preg_match($pattern, $email) || preg_match($pattern, $subject)) {
        die("Header injection detected");
    }

    $emailIsValid = preg_match('/^[^0-9][A-z0-9._%+-]+([.][A-z0-9_]+)*[@][A-z0-9_]+([.][A-z0-9_]+)*[.][A-z]{2,4}$/', $email);

    if($name && $email && $emailIsValid && $subject && $message){
        $subject = "$subjectPrefix $subject";
        $body = "Nome: $name <br /> Email: $email <br /> Mensagem: $message";

        $headers  = 'MIME-Version: 1.1' . PHP_EOL;
        $headers .= 'Content-type: text/html; charset=utf-8' . PHP_EOL;
        $headers .= "From: $name <$email>" . PHP_EOL;
        $headers .= "Return-Path: $emailTo" . PHP_EOL;
        $headers .= "Reply-To: $email" . PHP_EOL;
        $headers .= "X-Mailer: PHP/". phpversion() . PHP_EOL;

        mail($emailTo, $subject, $body, $headers);
        $emailSent = true;
    } else {
        $hasError = true;
    }
}
?>
<div class="container">
        <div class="row" style="margin-top:95px; margin-bottom:95px;">
                <div class="col-md-6 col-xs-0">
                        <legend><h3>Contate-nos</h3></legend>

                        <p class="text-left">Olá visitante, seja bem-vindo(a) à página de contato DES.<br>Se tiver qualquer pergunta ou comentário sobre a DES, envie-nos um e-mail usando o formulário fornecido e responderemos assim que possível.</p>
                        <p class="text-left">
                          <strong>Email:</strong>
                            contato@studiodes.com.br<br>
                          <strong>Cel:</strong>
                            +55 (15) 99829-6870<br>
                        </p>
                </div>
                <div class="col-md-6 col-xs-12 text-left">
                    <form id="contactForm" role="form" method="post" action="" >
                    <div class="form-group">
                      <label for="inputName">Nome: </label>
                      <div class="input-group Name">
                        <span class="input-group-addon"><i class="glyphicon glyphicon-user"></i></span>
                          <input type="text" class="form-control" id="inputName" name="form-name" placeholder="Informe seu nome completo" required="required" maxlength="40">
                      </div>
                    </div>
                    <div class="form-group">
                      <label for="inputName">E-Mail: </label>
                      <div class="input-group Name">
                        <span class="input-group-addon"><i class="glyphicon glyphicon-envelope"></i></span>
                          <input type="email" class="form-control" id="inputName" name="form-email" placeholder="Informe seu E-Mail" required="required" maxlength="40">
                      </div>
                    </div>
                    <div class="form-group">
                      <label for="inputName">Assunto: </label>
                      <div class="input-group Name">
                        <span class="input-group-addon"><i class="glyphicon glyphicon-user"></i></span>
                          <input type="text" class="form-control" id="inputName" name="form-subject" placeholder="Informe seu nome completo" required="required" maxlength="40">
                      </div>
                    </div>
                    <div class="form-group">
                      <label for="inputName">Mensagem: </label>
                      <div class="input-group Name">
                          <textarea class="form-control" id="inputName" name="form-message" placeholder="Digite aqui sua mensagem" required="required" cols="70" rows="8" maxlength="10000"></textarea>
                      </div>
                    </div>
                    <input class="btn btn-success" type="submit" id="enviar" name="sendMessage" value="Enviar Mensagem" />
                  </form>
                </div>
        </div>
</div>