📦 NEW: Helper Function to Detect LIked Post

Author: MajhiRockzZ

admin/functions.php

@@ -263,15 +263,22 @@ function loggedInUserId()
     if (isLoggedIn()) {
         $result = query("SELECT * FROM users WHERE username='" . $_SESSION['username'] . "' ");
         $user = mysqli_fetch_array($result);
+        return mysqli_num_rows($result) >= 1 ? $user['user_id'] : false;
 
-        if (mysqli_num_rows($result) >= 1) {
+        /*if (mysqli_num_rows($result) >= 1) {
             return $user['user_id'];
-        }
+        }*/
     }
 
     return false;
 }
 
+function userLikedThisPost($post_id = '')
+{
+    $result = query("SELECT * FROM likes WHERE user_id=" . loggedInUserId() . " AND post_id=$post_id");
+    return mysqli_num_rows($result) >= 1;
+}
+
 function insertCategories()
 {
     global $connection;

test.php

@@ -4,3 +4,9 @@
 echo password_hash('secret', PASSWORD_DEFAULT, array('cost' => 12));
 echo "<hr/>";
 echo loggedInUserId();
+echo "<hr/>";
+if (userLikedThisPost(152)) {
+    echo "USER LIKED IT";
+} else {
+    echo "DID NOT LIKE IT";
+}