Update session.php (add function multi role user)

system/includes/session.php

@@ -19,3 +19,93 @@ function login()
     }
 
 }
+
+function is_admin()
+{
+	if(login()) {
+		$user = $_SESSION[config("site.url")]['user'];
+		$role = user('role', $user);
+		if ($role === 'admin') {
+			return true;
+		} else {
+			return false;
+		}
+	} else {
+		return false;
+	}
+}
+
+function is_manager()
+{
+	if(login()) {
+		$user = $_SESSION[config("site.url")]['user'];
+		$role = user('role', $user);
+		if ($role === 'manager' || $role === 'admin') {
+			return true;
+		} else {
+			return false;
+		}
+	} else {
+		return false;
+	}
+}
+
+function is_editor()
+{
+	if(login()) {
+		$user = $_SESSION[config("site.url")]['user'];
+		$role = user('role', $user);
+		if ($role === 'editor' || $role === 'manager' || $role === 'admin') {
+			return true;
+		} else {
+			return false;
+		}
+	} else {
+		return false;
+	}
+}
+
+function is_moderator()
+{
+	if(login()) {
+		$user = $_SESSION[config("site.url")]['user'];
+		$role = user('role', $user);
+		if ($role === 'moderator' || $role === 'editor' || $role === 'manager' || $role === 'admin') {
+			return true;
+		} else {
+			return false;
+		}
+	} else {
+		return false;
+	}
+}
+
+function is_author()
+{
+	if(login()) {
+		$user = $_SESSION[config("site.url")]['user'];
+		$role = user('role', $user);
+		if ($role === 'author' || $role === 'moderator' || $role === 'editor' || $role === 'manager' || $role === 'admin') {
+			return true;
+		} else {
+			return false;
+		}
+	} else {
+		return false;
+	}
+}
+
+function is_user()
+{
+	if(login()) {
+		$user = $_SESSION[config("site.url")]['user'];
+		$role = user('role', $user);
+		if ($role === 'user' || $role === 'author' || $role === 'moderator' || $role === 'editor' || $role === 'manager' || $role === 'admin') {
+			return true;
+		} else {
+			return false;
+		}
+	} else {
+		return false;
+	}
+}