RedefinirSenha.php

<?php

require_once("desabilita_erros.php");
require_once("ConexaoBD.php");
require_once("_email/vendor/autoload.php");

if (isset($_POST['ok'])) {

    $email_user = $server_mysql->real_escape_string($_POST['email1']);

    var_dump($email_user);

    if (!filter_var($email_user, FILTER_VALIDATE_EMAIL))
        $erro[] = "E-mail inválido!";

    //Verificar se email já existe
    $sql_code = "SELECT EMAIL_USU, NOME_USU FROM usuario WHERE EMAIL_USU = '".$email_user."' ";
    $exec_query = $server_mysql->query($sql_code) or die($server_mysql->error);
    $dados = mysqli_fetch_assoc($exec_query);
    $nome_user = $dados['NOME_USU'];

    var_dump($nome);

    if (mysqli_num_rows($exec_query) == 0)
        $erro[] = "Esse E-mail não existe em nossa base de dados!";

    if (count($erro) == 0) {

        //Enviar e-mail

        //Create a new PHPMailer instance
        $mail = new PHPMailer\PHPMailer\PHPMailer();

        $mail->IsHTML(true);
        $mail->CharSet = 'iso-8859-1';

        //Tell PHPMailer to use SMTP
        $mail->isSMTP();

        $mail->SMTPOptions = array(
            'ssl' => array(
                'verify_peer' => false,
                'verify_peer_name' => false,
                'allow_self_signed' => true
            )
        );

        //Enable SMTP debugging
        // 0 = off (for production use)
        // 1 = client messages
        // 2 = client and server messages
        $mail->SMTPDebug = 2;

        //Set the hostname of the mail server
        $mail->Host = 'smtp.gmail.com';
        // use
        // $mail->Host = gethostbyname('smtp.gmail.com');
        // if your network does not support SMTP over IPv6

        //Set the SMTP port number - 587 for authenticated TLS, a.k.a. RFC4409 SMTP submission
        $mail->Port = 587;

        //Set the encryption system to use - ssl (deprecated) or tls
        $mail->SMTPSecure = 'tls';

        //Whether to use SMTP authentication
        $mail->SMTPAuth = true;

        //Username to use for SMTP authentication - use full email address for gmail
        $mail->Username = "lufonsecabarbosa95@gmail.com";

        //Password to use for SMTP authentication
        $mail->Password = "cadeirante95";

        //Set who the message is to be sent from
        $mail->setFrom('lufonsecabarbosa95@gmail.com', 'Sistema Agendamento de Reservas');

        //Set an alternative reply-to address
        //$mail->addReplyTo('replyto@example.com', 'First Last');

        //Set who the message is to be sent to
        $mail->addAddress($email_user, $nome_user);

        //Set the subject line
        $mail->Subject = 'Sistema Agendamento de Reservas - Redefinir de Senha';

        //Read an HTML message body from an external file, convert referenced images to embedded,
        //convert HTML into a basic plain-text alternative body
        $mail->msgHTML(file_get_contents('body_email.html'), __DIR__);

        //Replace the plain text body with one created manually
        $mail->AltBody = 'This is a plain-text message body';

        //Attach an image file
        //$mail->addAttachment('images/phpmailer_mini.png');

        //send the message, check for errors
        if (!$mail->send()) {
            echo "Erro ao enviar E-mail: " . $mail->ErrorInfo;
        } else {
            echo "Foi enviado um link em seu E-mail para a redefinição da sua senha!";
            echo "E-mail enviado com sucesso!";
            //Section 2: IMAP
            //Uncomment these to save your message in the 'Sent Mail' folder.
            #if (save_mail($mail)) {
            #    echo "Message saved!";
            #}
        }

        //Section 2: IMAP
        //IMAP commands requires the PHP IMAP Extension, found at: https://php.net/manual/en/imap.setup.php
        //Function to call which uses the PHP imap_*() functions to save messages: https://php.net/manual/en/book.imap.php
        //You can use imap_getmailboxes($imapStream, '/imap/ssl') to get a list of available folders or labels, this can
        //be useful if you are trying to get this working on a non-Gmail IMAP server.
        function save_mail($mail)
        {
            //You can change 'Sent Mail' to any other folder or tag
            $path = "{imap.gmail.com:993/imap/ssl}[Gmail]/Sent Mail";

            //Tell your server to open an IMAP connection using the same username and password as you used for SMTP
            $imapStream = imap_open($path, $mail->Username, $mail->Password);

            $result = imap_append($imapStream, $path, $mail->getSentMIMEMessage());
            imap_close($imapStream);

            return $result;
        }

    }

}

?>

<!DOCTYPE html>
<html lang="pt-br">
<head>
    <title>Redefinição de Senha</title>
    <meta http-equiv="content-type" content="text/html; charset=utf-8">
    <link rel="stylesheet" type="text/css" href="_css/normalize.css"/>
    <link rel="stylesheet" type="text/css" href="_css/Estilo_RedefinirSenha.css"/>
    <!--[if lt IE 9]>
    <script src="//html5shim.googlecode.com/svn/trunk/html5.js"></script>
    <![endif]-->
</head>
<body class="body_form">
<main class="container">

    <div class="content">

        <h1 class="titulo-form">Redefinição de Senha</h1>

        <form accept-charset="utf-8" action="" method="POST">

            <div class="form">

                <label>
                    <span>E-mail:</span>
                    <input type="email" name="email1" placeholder="Informe Seu E-mail:">
                </label>

                <div class="form_action">
                    <input class="btn" type="submit" name="ok" value="Ok">
                </div>

                <div class="exibe_erros">
                    <?php

                        if (count($erro) > 0) {

                            foreach ($erro as $valor)
                                echo "<p>$valor</p>";

                        }

                    ?>
                </div>

            </div>

        </form>

    </div>

</main>

<footer class="footer-cad container">
    Desenvolvido Por Lucas Barbosa Fonseca
</footer>

</body>
</html>