title: Vtiger 7 did not install in xampp (Php version is 7)
body: <p>I am new in Vtiger. Try to install it(version 7) in xampp which contains php 7. At the time of installation it shows too many error. The errors are as follows:</p>
  
  <pre><code>Warning: Declaration of Users::saveentity($module) should be compatible with CRMEntity::saveentity($module, $fileid = '') in D:\xampp\htdocs\vtiger7\modules\Users\Users.php on line 1954
  Warning: Declaration of Users::uploadAndSaveFile($id, $module, $file_details) should be compatible with CRMEntity::uploadAndSaveFile($id, $module, $file_details, $attachmentType = 'Attachment') in D:\xampp\htdocs\vtiger7\modules\Users\Users.php on line 1954
  Warning: Declaration of Users::insertIntoEntityTable($table_name, $module) should be compatible with CRMEntity::insertIntoEntityTable($table_name, $module, $fileid = '') in D:\xampp\htdocs\vtiger7\modules\Users\Users.php on line 1954
  Warning: Declaration of Users::save($module_name) should be compatible with CRMEntity::save($module_name, $fileid = '') in D:\xampp\htdocs\vtiger7\modules\Users\Users.php on line 1954
  Warning: Declaration of Users::get_column_value($columname, $fldvalue, $fieldname, $uitype, $datatype) should be compatible with CRMEntity::get_column_value($columnname, $fldvalue, $fieldname, $uitype, $datatype = '') in D:\xampp\htdocs\vtiger7\modules\Users\Users.php on line 1954
  Notice: Undefined variable: mod_strings in D:\xampp\htdocs\vtiger7\modules\CustomView\CustomView.php on line 17
  Notice: Undefined variable: mod_strings in D:\xampp\htdocs\vtiger7\modules\CustomView\CustomView.php on line 18
  Notice: Undefined variable: mod_strings in D:\xampp\htdocs\vtiger7\modules\CustomView\CustomView.php on line 19
  Notice: Undefined variable: mod_strings in D:\xampp\htdocs\vtiger7\modules\CustomView\CustomView.php on line 20
  Notice: Undefined variable: mod_strings in D:\xampp\htdocs\vtiger7\modules\CustomView\CustomView.php on line 21
  Notice: Undefined variable: mod_strings in D:\xampp\htdocs\vtiger7\modules\CustomView\CustomView.php on line 22
  Notice: Undefined variable: mod_strings in D:\xampp\htdocs\vtiger7\modules\CustomView\CustomView.php on line 23
  Notice: Undefined variable: mod_strings in D:\xampp\htdocs\vtiger7\modules\CustomView\CustomView.php on line 24
  Notice: Undefined variable: mod_strings in D:\xampp\htdocs\vtiger7\modules\CustomView\CustomView.php on line 25
  Notice: Undefined variable: mod_strings in D:\xampp\htdocs\vtiger7\modules\CustomView\CustomView.php on line 26
  Notice: Undefined variable: mod_strings in D:\xampp\htdocs\vtiger7\modules\CustomView\CustomView.php on line 27
  Notice: Undefined variable: mod_strings in D:\xampp\htdocs\vtiger7\modules\CustomView\CustomView.php on line 28
  Notice: Undefined variable: mod_strings in D:\xampp\htdocs\vtiger7\modules\CustomView\CustomView.php on line 29
  Notice: Undefined index: action in D:\xampp\htdocs\vtiger7\include\utils\utils.php on line 337
  Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
  Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
  Notice: Undefined index: action in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  Notice: Undefined index: file in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  Notice: Undefined variable: recordName in D:\xampp\htdocs\vtiger7\includes\runtime\Controller.php on line 141
  Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
  Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
  Notice: Undefined index: action in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  Notice: Undefined index: file in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
  Notice: Undefined index: theme in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
  Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
  Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
  Notice: Undefined index: V7_THEME_PATH in D:\xampp\htdocs\vtiger7\test\templates_c\v7\c80b4004a0cf5ddf2d75375d658848d8b45b6ea9.file.Header.tpl.php on line 40
  Notice: Trying to get property of non-object in D:\xampp\htdocs\vtiger7\test\templates_c\v7\c80b4004a0cf5ddf2d75375d658848d8b45b6ea9.file.Header.tpl.php on line 40
  Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
  Notice: Undefined index: action in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  Notice: Undefined index: file in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  </code></pre>
  
  <p>Installation Wizard    </p>
  
  <pre><code>Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
  Notice: Undefined index: action in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  Notice: Undefined index: file in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
  Notice: Undefined index: action in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  Notice: Undefined index: file in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  </code></pre>
  
  <p>Welcome to Vtiger CRM 7 Setup Wizard</p>
  
  <pre><code>Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
    Notice: Undefined index: action in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
     Notice: Undefined index: file in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  </code></pre>
  
  <p>This wizard will guide you through the installation of Vtiger CRM7</p>
  
  <pre><code>Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
    Notice: Undefined index: action in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
    Notice: Undefined index: file in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  </code></pre>
  
  <p>Powered by vtiger CRM 7.0.0  © 2004 - 2017  vtiger.com  | </p>
  
  <pre><code>Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
      Notice: Undefined index: action in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
      Notice: Undefined index: file in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  </code></pre>
  
  <p>Read License  | </p>
  
  <pre><code>Notice: Undefined index: language in D:\xampp\htdocs\vtiger7\includes\runtime\BaseModel.php on line 31
   Notice: Undefined index: action in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
   Notice: Undefined index: file in D:\xampp\htdocs\vtiger7\include\utils\ListViewUtils.php on line 677
  </code></pre>
  
  <p>Please help me to solve it.</p>