Fixed implementation of SessionHandlerInterface in Mage_Core_Model_Resource_Session

app/code/core/Mage/Core/Model/Resource/Session.php

@@ -71,10 +71,6 @@ public function __construct()
         $this->_write        = $resource->getConnection('core_write');
     }
 
-    /**
-     * Destrucor
-     *
-     */
     public function __destruct()
     {
         session_write_close();
@@ -162,8 +158,7 @@ public static function setStaticSaveHandler()
      * @param string $sessName ignored
      * @return bool
      */
-    #[\ReturnTypeWillChange]
-    public function open($savePath, $sessName)
+    public function open($savePath, $sessName): bool
     {
         return true;
     }
@@ -173,8 +168,7 @@ public function open($savePath, $sessName)
      *
      * @return bool
      */
-    #[\ReturnTypeWillChange]
-    public function close()
+    public function close(): bool
     {
         $this->gc($this->getLifeTime());
 
@@ -187,21 +181,18 @@ public function close()
      * @param string $sessId
      * @return string
      */
-    #[\ReturnTypeWillChange]
-    public function read($sessId)
+    public function read($sessId): string|false
     {
         $select = $this->_read->select()
-                ->from($this->_sessionTable, ['session_data'])
-                ->where('session_id = :session_id')
-                ->where('session_expires > :session_expires');
+            ->from($this->_sessionTable, ['session_data'])
+            ->where('session_id = :session_id')
+            ->where('session_expires > :session_expires');
         $bind = [
             'session_id'      => $sessId,
             'session_expires' => Varien_Date::toTimestamp(true)
         ];
 
-        $data = $this->_read->fetchOne($select, $bind);
-
-        return (string)$data;
+        return $this->_read->fetchOne($select, $bind);
     }
 
     /**
@@ -211,15 +202,14 @@ public function read($sessId)
      * @param string $sessData
      * @return bool
      */
-    #[\ReturnTypeWillChange]
-    public function write($sessId, $sessData)
+    public function write($sessId, $sessData): bool
     {
         $bindValues = [
             'session_id'      => $sessId
         ];
         $select = $this->_write->select()
-                ->from($this->_sessionTable)
-                ->where('session_id = :session_id');
+            ->from($this->_sessionTable)
+            ->where('session_id = :session_id');
         $exists = $this->_read->fetchOne($select, $bindValues);
 
         $bind = [
@@ -245,8 +235,7 @@ public function write($sessId, $sessData)
      * @param string $sessId
      * @return bool
      */
-    #[\ReturnTypeWillChange]
-    public function destroy($sessId)
+    public function destroy($sessId): bool
     {
         $where = ['session_id = ?' => $sessId];
         $this->_write->delete($this->_sessionTable, $where);
@@ -257,19 +246,16 @@ public function destroy($sessId)
      * Garbage collection
      *
      * @param int $sessMaxLifeTime ignored
-     * @return bool
+     * @return int|false
      */
-    #[\ReturnTypeWillChange]
-    public function gc($sessMaxLifeTime)
+    public function gc($sessMaxLifeTime): int|false
     {
         if ($this->_automaticCleaningFactor > 0) {
-            if ($this->_automaticCleaningFactor == 1 ||
-                rand(1, $this->_automaticCleaningFactor) == 1
-            ) {
+            if ($this->_automaticCleaningFactor == 1 || rand(1, $this->_automaticCleaningFactor) == 1) {
                 $where = ['session_expires < ?' => Varien_Date::toTimestamp(true)];
-                $this->_write->delete($this->_sessionTable, $where);
+                return $this->_write->delete($this->_sessionTable, $where);
             }
         }
-        return true;
+        return 0;
     }
 }