Purge Cloudflare cache

cloudflare.json

{
  "zone_id": "[ZONE_ID]",
  "api_key": "[API_KEY]",
  "email": "[EMAIL]"
}

purge-cf.php

<?php

// Run this script in Live environment only.
if ($_ENV['PANTHEON_ENVIRONMENT'] != 'live') {
  die();
}

// Parse the secret file.
$config = json_decode(file_get_contents($_SERVER['HOME'] . '/files/private/cloudflare.json'), 1);
if ($config == false) {
  die('Config not found. Aborting!');
}

// Clear cloudflare cache.
purge_cloudflare_cache($config);

function purge_cloudflare_cache($config) {
  $request_url = 'https://api.cloudflare.com/client/v4/zones/' . $config['zone_id'] . '/purge_cache';
  $payload = '{"hosts":["www.mydomain.com"]}';
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL, $request_url);
  curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
  curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    'X-Auth-Email: ' . $config['email'],
    'X-Auth-Key: ' . $config['api_key'],
    'Content-Type: application/json'
  ));
  curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
  print("\n==== Sending Request to Cloudflare ====\n");
  $result = curl_exec($ch);
  print('RESULT: ' . $result . "\n");
  print("\n===== Request Complete! =====\n");
  curl_close($ch);
}

?>