* install: check if the apcu extension is loaded when install zentao.

module/install/control.php

@@ -94,6 +94,7 @@ class install extends control
         $this->view->curlResult     = $this->installZen->checkCURL();
         $this->view->filterResult   = $this->installZen->checkFilter();
         $this->view->iconvResult    = $this->installZen->checkIconv();
+        $this->view->apcuResult     = $this->installZen->checkAPCu();
         $this->view->tmpRootInfo    = $this->installZen->getTmpRoot();
         $this->view->tmpRootResult  = $this->installZen->checkTmpRoot();
         $this->view->dataRootInfo   = $this->installZen->getDataRoot();

module/install/ui/step1.html.php

@@ -13,7 +13,7 @@ namespace zin;
 set::zui(true);
 
 $checkTrs    = array();
-$extendItems = array('pdo', 'pdoMySQL', 'json', 'openssl', 'mbstring', 'zlib', 'curl', 'filter', 'iconv');
+$extendItems = array('pdo', 'pdoMySQL', 'json', 'openssl', 'mbstring', 'zlib', 'curl', 'filter', 'iconv', 'apcu');
 $dirItems    = array('tmpRoot', 'dataRoot', 'session');
 foreach($extendItems as $extendItem)
 {

module/install/zen.php

@@ -188,6 +188,18 @@ class installZen extends install
         return extension_loaded('iconv') ? 'ok' : 'fail';
     }
 
+    /**
+     * 检查是否安装了apcu扩展。
+     * Check apcu extension.
+     *
+     * @access protected
+     * @return string    ok|fail
+     */
+    protected function checkAPCu(): string
+    {
+        return extension_loaded('apcu') ? 'ok' : 'fail';
+    }
+
     /**
      * 检查tmp目录的完整性和可写性。
      * Check tmpRoot.