Add experimental setting `enableBackgroundQueue`

[civicrm-core.git] / CRM / Core / Session.php

diff --git a/CRM/Core/Session.php b/CRM/Core/Session.php
index 7ca6a46ead2587973f289598fc769743869e9f17..57939665f424113bdca304c9484f20885b2c403b 100644 (file)
--- a/CRM/Core/Session.php
+++ b/CRM/Core/Session.php
@@ -41,13 +41,6 @@ class CRM_Core_Session {
    */
   protected $_session = NULL;
 
-  /**
-   * Current php Session ID : needed to detect if the session is changed
-   *
-   * @var string
-   */
-  protected $sessionID;
-
   /**
    * We only need one instance of this object. So we use the singleton
    * pattern and cache the instance in this variable
@@ -86,6 +79,39 @@ class CRM_Core_Session {
     return self::$_singleton;
   }
 
+  /**
+   * Replace the session object with a fake session.
+   */
+  public static function useFakeSession() {
+    self::$_singleton = new class() extends CRM_Core_Session {
+
+      public function initialize($isRead = FALSE) {
+        if ($isRead) {
+          return;
+        }
+
+        if (!isset($this->_session)) {
+          $this->_session = [];
+        }
+
+        if (!isset($this->_session[$this->_key]) || !is_array($this->_session[$this->_key])) {
+          $this->_session[$this->_key] = [];
+        }
+      }
+
+      public function isEmpty() {
+        return empty($this->_session);
+      }
+
+    };
+    self::$_singleton->_session = NULL;
+    // This is not a revocable proposition. Should survive, even with things 'System.flush'.
+    if (!defined('_CIVICRM_FAKE_SESSION')) {
+      define('_CIVICRM_FAKE_SESSION', TRUE);
+    }
+    return self::$_singleton;
+  }
+
   /**
    * Creates an array in the session.
    *
@@ -95,10 +121,9 @@ class CRM_Core_Session {
    *   Is this a read operation, in this case, the session will not be touched.
    */
   public function initialize($isRead = FALSE) {
-    // remove $_SESSION reference if session is changed
-    if (($sid = session_id()) !== $this->sessionID) {
-      $this->_session = NULL;
-      $this->sessionID = $sid;
+    // reset $this->_session in case if it is no longer a reference to $_SESSION;
+    if (isset($_SESSION) && isset($this->_session) && $_SESSION !== $this->_session) {
+      unset($this->_session);
     }
     // lets initialize the _session variable just before we need it
     // hopefully any bootstrapping code will actually load the session from the CMS
@@ -138,9 +163,9 @@ class CRM_Core_Session {
       unset($this->_session[$this->_key]);
     }
     else {
-      $this->_session = [];
+      $this->_session[$this->_key] = [];
+      unset($this->_session);
     }
-
   }
 
   /**
@@ -530,7 +555,7 @@ class CRM_Core_Session {
     if (!is_numeric($session->get('userID'))) {
       return NULL;
     }
-    return $session->get('userID');
+    return (int) $session->get('userID');
   }
 
   /**