Initial commit

engine/Main/trait.sessions.php

@@ -0,0 +1,43 @@
+<?php
+
+// Работа с сессиями
+
+defined('ROOT_DIR') || exit;
+
+trait Sessions {
+    // Создать сессию для посетителя
+    public function session_create()
+    {
+       if(isset($_COOKIE["b_session"])) return true;
+       $session_id = bin2hex(random_bytes(16));
+       setcookie('b_session', $session_id, time() + (30 * 24 * 60 * 60), '/', '', SESSION_SECURE, true);
+       $_COOKIE["b_session"] = $session_id;
+       return $session_id;
+   }
+
+   // Получить значение сессии
+   public function session_get_name()
+   {
+        $session_name = $_COOKIE["b_session"];
+        if(!isset($session_name)) return $this->session_create();
+        return $session_name;
+   }
+
+   // Получить значение сессии
+   public function session_get($key)
+   {
+        $session_name = $this->session_get_name();
+        $keys = $this->db_query("SELECT * FROM `bive_session` WHERE `session` = ? AND `key` = ?", array($session_name, $key), true);
+        if(!isset($keys[0])) return false;
+        return $keys[0]["value"];
+   }
+
+   // Сохранить значение сессии
+   public function session_set($key, $value)
+   {
+       $session_name = $this->session_get_name();
+       $old_value = $this->session_get($key);
+       if($old_value === false) return $this->db_query("INSERT INTO `bive_session`(`session`, `key`, `value`) VALUES (?, ?, ?)", array($session_name, $key, $value), true);
+       return $this->db_query("UPDATE `bive_session` SET `value` = ? WHERE `session` = ? AND `key` = ?", array($value, $session_name, $key), true);
+   }
+}