Add files via upload

subcategory_suggestions.php

@@ -0,0 +1,26 @@
+<?php
+require 'db.php';
+
+$query = $_GET['q'] ?? '';
+$suggestions = [];
+
+if (!empty($query)) {
+    $stmt = $pdo->prepare("
+        SELECT DISTINCT food_type_subcategory
+        FROM restaurants
+        WHERE food_type_subcategory LIKE :query
+    ");
+    $stmt->execute(['query' => "%$query%"]);
+
+    while ($row = $stmt->fetch()) {
+        $keywords = array_map('trim', explode(',', $row['food_type_subcategory']));
+        foreach ($keywords as $keyword) {
+            if (stripos($keyword, $query) !== false && !in_array($keyword, $suggestions)) {
+                $suggestions[] = $keyword;
+            }
+        }
+    }
+}
+
+header('Content-Type: application/json');
+echo json_encode($suggestions);