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<?php
//Include dependencies///////////////////////////////////////////////////////////////////////////
//Get path to current file, go one level up and then go down to "\vendor\autoload.php"
$pathToComposerLoadFile = dirname(__FILE__) . "\\vendor\autoload.php";
//Include and run composer autoloader for our dependencies.
require_once $pathToComposerLoadFile;
//Specify what dependencies we'll be using.
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
/////////////////////////////////////////////////////////////////////////////////////////////////
//Entry point////////////////////////////////////////////////////////////////////////////////////
//Compose new email.
$newEmail = [
    "recipientFirstName" => "recipients first name",
    "recipientLastName" => "recipients last name",
    "recipientEmail" => "recipients email address",
    "firstName" => "senders first name",
    "lastName" => "senders last name",
    "email" => "senders email",
    "CCEmailAddresses" => [
        "cc email", //If none leave empty.
    ],
    "BCCEmailAddresses" => [
        "bcc email", //If none leave empty.
    ],
    "subject" => "Hello",
    "body" => "<h1>Hello Bob!</h1>",
    "altBody" => "Hello Bob!",
    "attachements" => [
        //Multiple attachement can be added here.
        [
            "attachementPath" => "C:\\xampp\htdocs\Code Examples\php\Zipping Files",
            "attachementName" => "hello.text",
        ],
    ],
];
//Set emailer settings.
$emailSettings = [
    "host" => "smtp.office365.com", //Depends on your email provider. For example, outlook: "smtp.office365.com", gmail: "smtp.gmail.com", ...;
    "port" => 587,
    "userName" => "YourEmailAddress",
    "password" => "YourEmailAddressPassword",
];
//Setup mailer.
$mail = setUpMailer($emailSettings, $newEmail);
//Try to send email.
if (!$email->send()) {
    echo "An error occurred while trying to send the email! Error " . $mail->ErrorInfo;
}
/////////////////////////////////////////////////////////////////////////////////////////////////
//Functions//////////////////////////////////////////////////////////////////////////////////////
function setUpMailer($emailSettings, $newEmail)
{
    try {
        $mail = new PHPMailer();
        //Set true to enable exceptions.
        $mail = new PHPMailer(false);
        //Enable SMTP debugging.
        //$mail->SMTPDebug = 3;
        $mail->SMTPDebug = false;
        //Set PHPMailer to use SMTP.
        $mail->isSMTP();
        //Set SMTP host name. Depends on the email provider you are using.
        $mail->Host = $emailSettings["host"];
        //Set this to true if SMTP host requires authentication to send email.
        $mail->SMTPAuth = true;
        //Provide username and password.
        $mail->Username = $emailSettings["userName"];
        $mail->Password = $emailSettings["password"];
        //If SMTP requires TLS encryption then set it.
        $mail->SMTPSecure = "tls";
        //Set TCP port to connect to:.
        $mail->Port = $emailSettings["port"];
        //Set character encoding.
        $mail->CharSet = 'UTF-8';
        //Sender info.
        $mail->From = $newEmail["email"];
        $mail->FromName = $newEmail["firstName"] . " " . $newEmail["lastName"];
        //Address to which recipient will reply.
        $mail->addReplyTo($newEmail["email"], "Reply");
        //Add recipient address.
        $mail->addAddress($newEmail["recipientEmail"], $newEmail["recipientFirstName"] . " " . $newEmail["recipientLastName"]);
        //CC
        foreach ($cc as $newEmail["CCEmailAddresses"]) {
            $mail->addCC($cc);
        } //Add email attachment.
        //BCC
        foreach ($bcc as $newEmail["BCCEmailAddresses"]) {
            $mail->addBCC($bcc);
        } //Add email attachment.
        //Add email attachments.
        foreach ($attachement as $newEmail["attachements"]) {
            $mail->addAttachment($attachement["attachementPath"], $attachement["attachementName"]);
        } //Add email attachment.
        //Set if the email will contain HTML or not.
        $mail->isHTML(true);
        //Set subject.
        $mail->Subject = $newEmail["subject"];
        //Email body with HTML.
        $mail->Body = $newEmail["body"];
        //Email body without HTML.
        $mail->AltBody = $newEmail["altBody"];
        return $mail;
    } catch (Exception $ex) {
        echo "An error occurred while trying to send the email! Error " . $mail->ErrorInfo;
    }
}
//////////////////////////////////////////////////////////////////////////////////////////////////