Auto get email from sql

auto get email from sql
some ideas on how to do it ??

<?php
if (isset($_FILES) && (bool) $_FILES) {

    $allowedExtensions = array("pdf", "doc", "docx", "gif", "jpeg", "jpg", "png");

    $files = array();
    foreach ($_FILES as $name => $file) {
        $file_name = $file['name'];
        $temp_name = $file['tmp_name'];
        $file_type = $file['type'];
        $path_parts = pathinfo($file_name);
        $ext = $path_parts['extension'];
        if (!in_array($ext, $allowedExtensions)) {
            die("File $file_name has the extensions $ext which is not allowed");
        }
        array_push($files, $file);
    }

    // email fields: to, from, subject, and so on
    $to = $_POST['email'];
    $from = "bladnyt@dhl-hund.dk";
    $subject = $_POST['sub'];
    $message = $_POST['msg'];
    $headers = "From: $from";

    // boundary 
    $semi_rand = md5(time());
    $mime_boundary = "==Multipart_Boundary_x{$semi_rand}x";

    // headers for attachment 
    $headers .= "\nMIME-Version: 1.0\n" . "Content-Type: multipart/mixed;\n" . " boundary=\"{$mime_boundary}\"";

    // multipart boundary 
    $message = "This is a multi-part message in MIME format.\n\n" . "--{$mime_boundary}\n" . "Content-Type: text/plain; charset=\"iso-8859-1\"\n" . "Content-Transfer-Encoding: 7bit\n\n" . $message . "\n\n";
    $message .= "--{$mime_boundary}\n";

    // preparing attachments
    for ($x = 0; $x < count($files); $x++) {
        $file = fopen($files[$x]['tmp_name'], "rb");
        $data = fread($file, filesize($files[$x]['tmp_name']));
        fclose($file);
        $data = chunk_split(base64_encode($data));
        $name = $files[$x]['name'];
        $message .= "Content-Type: {\"application/octet-stream\"};\n" . " name=\"$name\"\n" .
                "Content-Disposition: attachment;\n" . " filename=\"$name\"\n" .
                "Content-Transfer-Encoding: base64\n\n" . $data . "\n\n";
        $message .= "--{$mime_boundary}\n";
    }
    // send

    $ok = mail($to, $subject, $message, $headers);
    if ($ok) {
        echo "<p>mail sent to $to!</p>";
    } else {
        echo "<p>mail could not be sent!</p>";
    }
}
?>

<html>
<center>
    <body>
        <h2>Send Mail</h2>
        <form method="post" action="" enctype="multipart/form-data">
            <input type="text" name="email" placeholder="email"><br>
            <input type="text" name="sub" placeholder="Subject"><br>
            <textarea name="msg" placeholder="Write email message"></textarea><br>

            Attach file:<br>
            <input type="file" name="attach1"/><br><br>
            <input type="submit" value="Send Mail"/>
        </form>
		</center>
    </body>
</html>

there is no SQL in that code.

no that is way im asking how to do it

then you should query a database with SQL.

i haf try that but it dont add the email to send

i try to add this $to = $_POST[‘email’]; edit to $to = $raw[‘email’]; to get the emails and this to <input type=“text” name=“email” placeholder="<?php echo $row["email"]; ?>">
but it dont work …way i dont no

But what does that has to do with SQL?

https://www.php.net/manual/en/pdo.connections.php

the program must retrieve email addresses from sql, so you do not have to enter it when sending email

So what did you learn from the manual and how is your progress in code?

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