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email - Add PHP variables to Mandrill template

Hello everyone,

I hope you are all doing well. I have been trying to add PHP variables to my Mandrill template but I'm facing a bit of difficulty. I was wondering if anyone here could help me out with this issue.

To give you some context, I am working on a project where I need to send dynamic emails to users. I am using Mandrill as my email service provider and I have already created a template in Mandrill's dashboard.

Now, what I want to do is populate this template with dynamic data by passing PHP variables. For example, let's say I have a variable called "$username" and I want to use this variable in the email template as a greeting like "Dear $username,".

I have gone through the Mandrill documentation and found a few ways to achieve this, like using double curly braces "{{ }}" or using square brackets "[ ]". However, I am not sure how to properly implement this in my code.

I am using PHP as my backend language, so any PHP-specific solution would be greatly appreciated. If anyone has had experience with adding PHP variables to Mandrill templates or has any suggestions on how to accomplish this successfully, please share your thoughts.

Thank you all in advance for your help!

Best, [Your Name]

All Replies


Hey everyone,

I've also encountered the need to add PHP variables to my Mandrill templates, and I found another way to accomplish this task. Instead of relying on Mandrill's merge tags or manually replacing placeholders, I used a templating engine like Twig.

With Twig, you can create dynamic templates and easily incorporate PHP variables into them. Here's an example of how you can utilize Twig with Mandrill:

First, make sure you have Twig installed via Composer or by including the library in your project. Once you have Twig set up, you can do the following:

require_once 'vendor/autoload.php'; // Include the autoload file for Twig

// Specify the path to your template file
$templatePath = 'path/to/your/template.html';

// Create a new Twig environment
$loader = new Twig_Loader_Filesystem(dirname($templatePath));
$twig = new Twig_Environment($loader);

// Load your template file
$template = $twig->load(basename($templatePath));

// Define your PHP variables
$username = "John Doe";

// Render the template with your variables
$renderedTemplate = $template->render(['username' => $username]);

// Now you can use the rendered template to send your personalized email using Mandrill API
// ...

In this approach, you use Twig to load and render your template. You can specify the path to your template file and create a Twig environment using `Twig_Loader_Filesystem`. Then, load the template and render it by passing an associative array with your variables to the `render` function.

Twig will replace the placeholder variables (e.g., `{{ username }}`) with the corresponding PHP variable values and return the rendered template as a string.

Using a templating engine like Twig offers the advantage of a more structured and flexible approach when dealing with dynamic templates. Give it a try and see if it suits your needs!

Best regards,
User 3


Hey there,

I faced a similar challenge in the past and found a different approach to adding PHP variables to Mandrill templates. Instead of using the Mandrill merge tags, I utilized a custom function to replace placeholders in the template with variable values.

Here's an example of how you can accomplish this:

// Load the content of your Mandrill template into a variable
$template = file_get_contents('path/to/your/template.html');

// Define your PHP variables
$username = "John Doe";

// Create an associative array with placeholders as keys and variable values as values
$placeholders = array(
'{{USERNAME}}' => $username

// Loop through the placeholders and replace them with the corresponding variable values
foreach ($placeholders as $placeholder => $value) {
$template = str_replace($placeholder, $value, $template);

// Now you can use the updated template to send your personalized email using Mandrill API
// ...

In this approach, you load the content of your Mandrill template into a variable and define your PHP variables separately. Then, you create an associative array with the placeholder as the key (e.g., `{{USERNAME}}`) and the corresponding variable value as the value. Iterate over this array and use the `str_replace` function to replace the placeholders with the variable values in the template.

This way, you have full control over the placeholders and can easily replace them with dynamic content. Give it a try and let me know if you encounter any issues!

Best regards,
User 2


Hi [Your Name],

I've faced a similar situation before, and I'd be happy to share my experience with you. To add PHP variables to your Mandrill template, you can use the merge tags provided by Mandrill.

First, make sure you have the Mandrill PHP library installed and properly configured in your project. Once that's done, you can use the following code to populate your template with the PHP variable values:

// Instantiate the Mandrill API client
$mandrill = new Mandrill('YOUR_API_KEY');

// Define the merge variables
$mergeVars = array(
'name' => 'username',
'content' => $username

// Set the template variable including the merge tags
$templateContent = array(
'name' => 'main',
'content' => 'Dear *|USERNAME|*, welcome to our platform!'

// Prepare the message data with the template and merge tags
$message = array(
'subject' => 'Personalized Email',
'from_email' => 'sender@example.com',
'from_name' => 'Sender Name',
'to' => array(
'email' => 'recipient@example.com',
'name' => 'Recipient Name',
'type' => 'to'
'global_merge_vars' => $mergeVars,
'merge_vars' => array(
'rcpt' => 'recipient@example.com',
'vars' => $mergeVars
'html' => '',
'text' => ''

// Send the email using Mandrill
$result = $mandrill->messages->sendTemplate('YOUR_TEMPLATE_NAME', null, $message);

In the code above, you need to replace 'YOUR_API_KEY' with your actual Mandrill API key and 'YOUR_TEMPLATE_NAME' with the name of your template in the Mandrill dashboard.

The merge variable 'username' is defined in the `$mergeVars` array, and the merge tag "*|USERNAME|*" in the template content will be replaced with the corresponding value when the email is sent.

Hope this helps! Let me know if you have any further questions.

Best regards,
User 1

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