iKhokha integration complete

test.php

@@ -0,0 +1,41 @@
+<?php
+
+require_once("./src/config/env.php");
+
+/**
+ * EXACT escape function from iKhokha docs
+ */
+function escapeString($str) {
+    $escaped = preg_replace(
+        ['/[\\"\'\"]/u', '/\x00/'],
+        ['\\\\$0', '\\0'],
+        (string)$str
+    );
+    $cleaned = str_replace('\/', '/', $escaped);
+    return $cleaned;
+}
+
+$callbackUrl = $_ENV['IKHOKHA_CALLBACK_URL'] ?? null;
+$path = '/src/api/ikhokha_webhook.php';
+$secret      = $_ENV['IKHOKHA_APP_SECRET'] ?? null;
+
+// Simulated raw webhook body (EXACT, no whitespace changes)
+$raw = '{"paylinkID":"ys5225k4z56x0mm","status":"SUCCESS","externalTransactionID":"693efeaca71a9","responseCode":"00","text":null}';
+
+echo "<strong>IK-SIGN FROM WEBHOOK:</strong><br>";
+echo "bb1702d488a40091ebd5414bc6f524e203e2c5e36b24a1b86e243dad440bb557<br><br>";
+
+$payloadToSign = $path . $raw; 
+
+// Generate signature using hash_hmac directly on the constructed string
+$expected = hash_hmac('sha256', $payloadToSign, $secret);
+
+// --- Output debug info (UPDATED) ---
+echo "<strong>DEBUG INFO</strong><br>";
+echo "Callback URL: $callbackUrl<br><br>";
+
+echo "<strong>Payload to Sign (Un-escaped):</strong><br>";
+echo htmlspecialchars($payloadToSign) . "<br><br>";
+
+echo "<strong>EXPECTED SIGNATURE:</strong><br>";
+echo $expected . "<br>";