1 files changed, 20 insertions, 0 deletions
diff --git a/doc/examples/pay_handler.php b/doc/examples/pay_handler.php
new file mode 100644
index 00000000..3b10b0c2
--- /dev/null
+++ b/doc/examples/pay_handler.php
@@ -0,0 +1,20 @@
+# Check if a session exists already
+session_start();
+if (! isset($_SESSION['paid'])) @{
+  echo "<p>There is no session for this purchase. Something is wrong.</p>";
+  return;
+@}
+# Get the HTTP POST body
+$payment = file_get_contents('php://input');
+$response = post_to_backend("/pay", $payment);
+if (200 != $response->getResponseCode())@{
+  echo json_encode(array(
+    'error' => "internal error",
+    'hint' => "failed to POST coins to the backend",
+    'detail' => $response->body->toString()
+    ), JSON_PRETTY_PRINT);
+  return;
+@}
+$_SESSION['paid'] = true;
+return $response->body;
+