utils/sendEmails.php

<?php
	$inscrits = array_map('str_getcsv', file('php://stdin'));
	array_shift($inscrits);

	require 'config.php';
	require 'vendor/autoload.php';
	use \Mailjet\Resources;
	$mj = new \Mailjet\Client($API_CLIENT, $API_SECRET, true, ['version' => 'v3.1']);

	$messages = [];
	foreach ($inscrits as $inscrit) {
		$nom = $inscrit[0];
		$pass = $inscrit[3];
		$email = $inscrit[4];
		$messages[] = [
			'From' => [
				'Email' => "vuit@operacio236.ml",
				'Name' => "Octavi de Planta 8",
			],
			'To' => [
				[
					'Name' => $nom,
					'Email' => $email,
				]
			],
			'TemplateID' => 4405516,
			'TemplateLanguage' => true,
			'Subject' => "Arriba la Carrot Cake!",
			'Variables' => [
				'name' => $nom,
				'pass' => $pass,
			],
			'TrackOpens' => 'disabled',
			'TrackClicks' => 'disabled',
			'CustomCampaign' => 'carrotcake',
		];
	}

	$body = [
		'Messages' => $messages
	];
	$response = $mj->post(Resources::$Email, ['body' => $body]);
	if ($response->success()) {
		echo json_encode($response->getData());
	} else {
		echo "ERROR:".PHP_EOL;
		var_dump($response->getData());
	}
?>