samuel-fonseca · June 7, 2021 09:37 · samuel-fonseca · Sep 28, 2017
diff --git a/dynamic_html_PHPMailer.php b/dynamic_html_PHPMailer.php
 <?php
 /**
 * Generate dynamic HTML emails
 *
 * @package      Dynamic HTML PHPMailer builder
 * @author       Samuel Fonseca <[email protected]>
 * @description  Setup dynamic HTML emails using PHPMailer
 */

 /**
 * NOTE: This class needs PHPMailer to work properly
 * this is not an official extention, simply a test
 * and a project which would hopefully help developers
 * create dynamic HTML email bodies. 
 * I came up with the idea because I had a really hard
 * time finding, and implementing a good solution.
 * -----------
 * This software is made available as-is. I am not responsible as to
 * how you use it.
 */

 /**
 * I have no connection to PHPMailer
 * All of PHPMailer's code is from their example
 * find out more here: https://github.com/PHPMailer/PHPMailer
 **/

 //Import PHPMailer classes into the global namespace
 use PHPMailer\PHPMailer\PHPMailer;
 use PHPMailer\PHPMailer\OAuth;
 // Alias the League Google OAuth2 provider class
 use League\OAuth2\Client\Provider\Google;
 //SMTP needs accurate times, and the PHP time zone MUST be set
 //This should be done in your php.ini, but this is how to do it if you don't have access to that
 date_default_timezone_set('Etc/UTC');
 //Load dependencies from composer
 //If this causes an error, run 'composer install'
 require 'vendor/autoload.php';


 class email
 {
    /**
     * @var $firstname will hold the recipient's first name
     */
    public $firstname = '';
    
    
    /**
     * @var $lastname will hold the recipient's last name
     */
    public $lastname = '';
    
    
    /**
     * @var $email will hold the recipient's email
     */
    public $email = '';
    
    
    /**
     * @var $subject will hold the emails's subject
     */
    public $subject = '';
    
    
    /**
     * @var $body will hold the HTML body content
     */
    public $body = '';
    
    
    /**
     * @var $sender_name will hold the sender's email
     */
    public $sender_name = '';
    
    
    /**
     * @var $sender_email will hold the sender's email
     */
    public $sender_email = '';
    
    
    /**
     * @var $message will hold the message with responses
     */
    public $message = array();
    
    
    
    /**
     * Construct function
     *
     * @param $firstname for recipient
     * @param $lastname for recipient
     * @param $email for recipient
     * @param $subject for email
     *
    **/
    public function __construct( $firstname, $lastname, $email, $subject = '' )
    {
        $this->firstname = $firstname;
        $this->lastname = $lastname;
        $this->subject = $subject;
        $this->email = $email;
    }
    
    /**
     * set_sender function
     * 
     * @param $name is the name of the sender (YOUR NAME)
     * @param $email is the email of the sender (YOUR EMAIL)
     */
    public function set_sender($name, $email)
    {
        $this->sender_name = $name;
        $this->sender_email = $email;
    }
    
    /**
     *
     * Generate email
     *
     * @param $template_values will be an array with all the data
     * @param $is_recurring boolean for us to know whether to add disclaimer (Donation only)
     * @return boolean
    **/
    public function generate( $template_values )
    {

        // setup email body with HTML features
        // I included the `styling` here since it
        // would be easier, but go wild with it
        $this->body = "<html lang='en'>
            <head>
                <meta name='viewport' content='width=device-width,initial-scale=1.0'>" . /** set viewport for phone displays **/ . "
                <title>" . $this->subject . "</title>
                <style>
                    body{font-family:'Roboto',sans-serif;background-color:#f2f2f2}.header{background-color:#333;display:flex;position:relative;flex-direction:column;justify-content:space-between;width:40%;margin:auto;margin-left:auto;box-sizing:border-box;color:white;color:var(--mdc-theme-text-primary-on-primary, white)}.header img{margin-right:auto;margin-left:auto;width:35%}.text-centered{text-align:center}.content{z-index:10;width:40%;margin-left:auto;margin-right:auto; background-color:white; padding:15px;}.table{width:100%;margin-left:auto;margin-right:auto;padding:15px;background-color:#fff}@media only screen and (max-width: 850px){.header{width:100%}.content{width:100%}}p.copyright{text-align:center;background-color:#333;display:block;margin-top:0;color:#fff;padding:20px}
                </style>
            </head>";
        
        // if the content comes in an array the script
        // will create a table which will hold the keys
        // as well as the values beside each other
        if ( is_array( $template_values ) )
        {
            
            $this->body .= "<body>
                    <div class='header mdc-elevation--z4'>
                        <h2 class='text-centered'>" . $this->subject . "</h2>
                    </div>
                    <div class='content'>
                    <table width='680' border='0' cellspacing='3' cellpadding='5' class='table mdc-elevation--z3'>
                        <tbody>";
            
            // create loop to get contents of array
            foreach ( $template_values as $key => $value )
            {
                // make sure $value is not an array as well
                if ( !is_array($value) )
                { // <-- Need to break the content into sections
                    if ( empty($value) )
                    {
                        // we do not want any values that are empty
                        continue;
                    }
                    $this->body .= "<tr>";
                    $this->body .= "<td>" . $key . "</td>";
                    $this->body .= "<td>" . $value . "</td>";
                    $this->body .= "</tr>";
                }
                // if $value is an array then prepare to create new loop
                else
                {
                    $this->body .= "<tr>";
                    $this->body .= "<td colspan='2'><h3>" . $key . "</h3></td>";
                    $this->body .= "</tr>";
                    // loop through $value to get array content
                    foreach($value as $k => $val)
                    {
                        if ( empty($val) )
                        {
                            // we do not want any values that are empty
                            continue;
                        }
                        $this->body .= "<tr>";
                        $this->body .= "<td>" . $k . "</td>";
                        $this->body .= "<td>" . $val . "</td>";
                        $this->body .= "</tr>";
                    }
                }
            }
            
            $this->body .= "</table>";
            $this->body .= "</div>";
            $this->body .= "</body>";
        }
        // if it's not an array, get the content
        // and send it as HTML formatted text
        else
        {
            $this->body .= "<body>
                    <div class='header mdc-elevation--z4'>
                        <h2 class='text-centered'>" . $this->subject . "</h2>
                    </div>
                    <div class='content'>"
                        .  $template_values .
                    "</div>";
            $this->body .= "</body>"; // <-- close `body` element
        }
        
        $this->body .= "</html>"; // <-- close `html` element
        
        return true; // <-- email generated successfully
    }
    
    /**
     *
     * Send email
     *
     * @return $this->message
    **/    
    public function send()
    {
        $mail = new PHPMailer;
        $mail->isSMTP();
        //Enable SMTP debugging
        // 0 = off (for production use)
        // 1 = client messages
        // 2 = client and server messages
        $mail->SMTPDebug = 2;
        
        $mail->Host = 'smtp.gmail.com';
        $mail->Port = 587;
        $mail->SMTPSecure = 'tls';
        // OR
        // $mail->Host = 'tls://smtp.gmail.com:587';
        
        /** AUTHENTICATION
         * for security reasons I went with
         * XOAUTH2 from Google, if you need
         * setting it up look under their
         * documentation:
         * https://github.com/PHPMailer/PHPMailer/wiki/Using-Gmail-with-XOAUTH2
        **/
        $mail->SMTPAuth = true;
        //Set AuthType to use XOAUTH2
        $mail->AuthType = 'XOAUTH2';
        //Fill in authentication details here
        //Either the gmail account owner, or the user that gave consent
        $email = '[email protected]'; // <-- your Google email
        $clientId = 'YOUR_CLIENT_ID.apps.googleusercontent.com';
        $clientSecret = 'YOUR_CLIENT_SECRET';
        //Obtained by configuring and running get_oauth_token.php
        //after setting up an app in Google Developer Console.
        $refreshToken = 'YOUR_REFRESH_TOKEN';
        
        
        //Create a new OAuth2 provider instance
        $provider = new Google(
            [
                'clientId' => $clientId,
                'clientSecret' => $clientSecret,
            ]
        );
        //Pass the OAuth provider instance to PHPMailer
        $mail->setOAuth(
            new OAuth(
                [
                    'provider' => $provider,
                    'clientId' => $clientId,
                    'clientSecret' => $clientSecret,
                    'refreshToken' => $refreshToken,
                    'userName' => $email,
                ]
            )
        );


        // check for sender's name and email
        if ( $this->sender_email == '' || $this->sender_name == '' )
        {
            $this->message = array("is_error" => 'danger',
                                   "message" => "Sender name and email are required.");
            return $this->message;
            exit;
        }
        else
        {
            //Set who the message is to be sent from
            //For gmail, this generally needs to be the same as the user you logged in as
            $mail->setFrom($this->sender_email, $this->sender_name);   
        }
        
        //Set who the message is to be sent to
        $mail->addAddress($this->email, $this->firstname . ' ' . $this->lastname);

        //Set the subject line
        $mail->Subject = $this->subject;

        //Read an HTML message body from an external file, convert referenced images to embedded,
        //convert HTML into a basic plain-text alternative body
        $mail->CharSet = 'utf-8';
        // body is set with generate
        $mail->msgHTML( $this->body );
        
        //send the message, check for errors
        if (!$mail->send()) {
            $this->message = array("is_error" => 'danger',
                                   "message" => "Mailer Error: " . $mail->ErrorInfo);
        } else {
            $this->message = array("is_error" => 'success',
                                   "message" => "An email confirmation has been sent to " . $this->email . ". If there are any problems do not hesitate to contact us.");
        }
        
        return $this->message;
    }
 }
	<?php
	/**
	* Generate dynamic HTML emails
	*
	* @package Dynamic HTML PHPMailer builder
	* @author Samuel Fonseca <[email protected]>
	* @description Setup dynamic HTML emails using PHPMailer
	*/

	/**
	* NOTE: This class needs PHPMailer to work properly
	* this is not an official extention, simply a test
	* and a project which would hopefully help developers
	* create dynamic HTML email bodies.
	* I came up with the idea because I had a really hard
	* time finding, and implementing a good solution.
	* -----------
	* This software is made available as-is. I am not responsible as to
	* how you use it.
	*/

	/**
	* I have no connection to PHPMailer
	* All of PHPMailer's code is from their example
	* find out more here: https://github.com/PHPMailer/PHPMailer
	**/

	//Import PHPMailer classes into the global namespace
	use PHPMailer\PHPMailer\PHPMailer;
	use PHPMailer\PHPMailer\OAuth;
	// Alias the League Google OAuth2 provider class
	use League\OAuth2\Client\Provider\Google;
	//SMTP needs accurate times, and the PHP time zone MUST be set
	//This should be done in your php.ini, but this is how to do it if you don't have access to that
	date_default_timezone_set('Etc/UTC');
	//Load dependencies from composer
	//If this causes an error, run 'composer install'
	require 'vendor/autoload.php';


	class email
	{
	/**
	* @var $firstname will hold the recipient's first name
	*/
	public $firstname = '';


	/**
	* @var $lastname will hold the recipient's last name
	*/
	public $lastname = '';


	/**
	* @var $email will hold the recipient's email
	*/
	public $email = '';


	/**
	* @var $subject will hold the emails's subject
	*/
	public $subject = '';


	/**
	* @var $body will hold the HTML body content
	*/
	public $body = '';


	/**
	* @var $sender_name will hold the sender's email
	*/
	public $sender_name = '';


	/**
	* @var $sender_email will hold the sender's email
	*/
	public $sender_email = '';


	/**
	* @var $message will hold the message with responses
	*/
	public $message = array();



	/**
	* Construct function
	*
	* @param $firstname for recipient
	* @param $lastname for recipient
	* @param $email for recipient
	* @param $subject for email
	*
	**/
	public function __construct( $firstname, $lastname, $email, $subject = '' )
	{
	$this->firstname = $firstname;
	$this->lastname = $lastname;
	$this->subject = $subject;
	$this->email = $email;
	}

	/**
	* set_sender function
	*
	* @param $name is the name of the sender (YOUR NAME)
	* @param $email is the email of the sender (YOUR EMAIL)
	*/
	public function set_sender($name, $email)
	{
	$this->sender_name = $name;
	$this->sender_email = $email;
	}

	/**
	*
	* Generate email
	*
	* @param $template_values will be an array with all the data
	* @param $is_recurring boolean for us to know whether to add disclaimer (Donation only)
	* @return boolean
	**/
	public function generate( $template_values )
	{

	// setup email body with HTML features
	// I included the `styling` here since it
	// would be easier, but go wild with it
	$this->body = "<html lang='en'>
	<head>
	<meta name='viewport' content='width=device-width,initial-scale=1.0'>" . / set viewport for phone displays / . "
	<title>" . $this->subject . "</title>
	<style>
	body{font-family:'Roboto',sans-serif;background-color:#f2f2f2}.header{background-color:#333;display:flex;position:relative;flex-direction:column;justify-content:space-between;width:40%;margin:auto;margin-left:auto;box-sizing:border-box;color:white;color:var(--mdc-theme-text-primary-on-primary, white)}.header img{margin-right:auto;margin-left:auto;width:35%}.text-centered{text-align:center}.content{z-index:10;width:40%;margin-left:auto;margin-right:auto; background-color:white; padding:15px;}.table{width:100%;margin-left:auto;margin-right:auto;padding:15px;background-color:#fff}@media only screen and (max-width: 850px){.header{width:100%}.content{width:100%}}p.copyright{text-align:center;background-color:#333;display:block;margin-top:0;color:#fff;padding:20px}
	</style>
	</head>";

	// if the content comes in an array the script
	// will create a table which will hold the keys
	// as well as the values beside each other
	if ( is_array( $template_values ) )
	{

	$this->body .= "<body>
	<div class='header mdc-elevation--z4'>
	<h2 class='text-centered'>" . $this->subject . "</h2>
	</div>
	<div class='content'>
	<table width='680' border='0' cellspacing='3' cellpadding='5' class='table mdc-elevation--z3'>
	<tbody>";

	// create loop to get contents of array
	foreach ( $template_values as $key => $value )
	{
	// make sure $value is not an array as well
	if ( !is_array($value) )
	{ // <-- Need to break the content into sections
	if ( empty($value) )
	{
	// we do not want any values that are empty
	continue;
	}
	$this->body .= "<tr>";
	$this->body .= "<td>" . $key . "</td>";
	$this->body .= "<td>" . $value . "</td>";
	$this->body .= "</tr>";
	}
	// if $value is an array then prepare to create new loop
	else
	{
	$this->body .= "<tr>";
	$this->body .= "<td colspan='2'><h3>" . $key . "</h3></td>";
	$this->body .= "</tr>";
	// loop through $value to get array content
	foreach($value as $k => $val)
	{
	if ( empty($val) )
	{
	// we do not want any values that are empty
	continue;
	}
	$this->body .= "<tr>";
	$this->body .= "<td>" . $k . "</td>";
	$this->body .= "<td>" . $val . "</td>";
	$this->body .= "</tr>";
	}
	}
	}

	$this->body .= "</table>";
	$this->body .= "</div>";
	$this->body .= "</body>";
	}
	// if it's not an array, get the content
	// and send it as HTML formatted text
	else
	{
	$this->body .= "<body>
	<div class='header mdc-elevation--z4'>
	<h2 class='text-centered'>" . $this->subject . "</h2>
	</div>
	<div class='content'>"
	. $template_values .
	"</div>";
	$this->body .= "</body>"; // <-- close `body` element
	}

	$this->body .= "</html>"; // <-- close `html` element

	return true; // <-- email generated successfully
	}

	/**
	*
	* Send email
	*
	* @return $this->message
	**/
	public function send()
	{
	$mail = new PHPMailer;
	$mail->isSMTP();
	//Enable SMTP debugging
	// 0 = off (for production use)
	// 1 = client messages
	// 2 = client and server messages
	$mail->SMTPDebug = 2;

	$mail->Host = 'smtp.gmail.com';
	$mail->Port = 587;
	$mail->SMTPSecure = 'tls';
	// OR
	// $mail->Host = 'tls://smtp.gmail.com:587';

	/** AUTHENTICATION
	* for security reasons I went with
	* XOAUTH2 from Google, if you need
	* setting it up look under their
	* documentation:
	* https://github.com/PHPMailer/PHPMailer/wiki/Using-Gmail-with-XOAUTH2
	**/
	$mail->SMTPAuth = true;
	//Set AuthType to use XOAUTH2
	$mail->AuthType = 'XOAUTH2';
	//Fill in authentication details here
	//Either the gmail account owner, or the user that gave consent
	$email = '[email protected]'; // <-- your Google email
	$clientId = 'YOUR_CLIENT_ID.apps.googleusercontent.com';
	$clientSecret = 'YOUR_CLIENT_SECRET';
	//Obtained by configuring and running get_oauth_token.php
	//after setting up an app in Google Developer Console.
	$refreshToken = 'YOUR_REFRESH_TOKEN';


	//Create a new OAuth2 provider instance
	$provider = new Google(
	[
	'clientId' => $clientId,
	'clientSecret' => $clientSecret,
	]
	);
	//Pass the OAuth provider instance to PHPMailer
	$mail->setOAuth(
	new OAuth(
	[
	'provider' => $provider,
	'clientId' => $clientId,
	'clientSecret' => $clientSecret,
	'refreshToken' => $refreshToken,
	'userName' => $email,
	]
	)
	);


	// check for sender's name and email
	if ( $this->sender_email == '' \|\| $this->sender_name == '' )
	{
	$this->message = array("is_error" => 'danger',
	"message" => "Sender name and email are required.");
	return $this->message;
	exit;
	}
	else
	{
	//Set who the message is to be sent from
	//For gmail, this generally needs to be the same as the user you logged in as
	$mail->setFrom($this->sender_email, $this->sender_name);
	}

	//Set who the message is to be sent to
	$mail->addAddress($this->email, $this->firstname . ' ' . $this->lastname);

	//Set the subject line
	$mail->Subject = $this->subject;

	//Read an HTML message body from an external file, convert referenced images to embedded,
	//convert HTML into a basic plain-text alternative body
	$mail->CharSet = 'utf-8';
	// body is set with generate
	$mail->msgHTML( $this->body );

	//send the message, check for errors
	if (!$mail->send()) {
	$this->message = array("is_error" => 'danger',
	"message" => "Mailer Error: " . $mail->ErrorInfo);
	} else {
	$this->message = array("is_error" => 'success',
	"message" => "An email confirmation has been sent to " . $this->email . ". If there are any problems do not hesitate to contact us.");
	}

	return $this->message;
	}
	}