$contents = ob_get_contents();
      ob_end_clean();


      // show all get
     // print_r($_GET);
      $user_keyword_search_in_title_and_deskrition = $_GET['word'];


      echo str_replace('</head>', '
    <meta name="description" content="'$user_keyword_search_in_title_and_deskrition'"/>  // اصف كلمات
    <meta name="keywords" content="'$user_keyword_search_in_title_and_deskrition'"/> // اصف كلمات
    <meta property="g:title" content="'$user_keyword_search_in_title_and_deskrition'"/>  // اصف كلمات
    <meta property="og:description" content="'$user_keyword_search_in_title_and_deskrition'"/>  // اصف كلمات
    <title>'$user_keyword_search_in_title_and_deskrition' - site name </title>
    <meta name="twitter:title" property="og:title" itemprop="'$user_keyword_search_in_title_and_deskrition' - tools online" />  // اصف كلمات
    <meta name="twitter:description" property="og:description" itemprop="description" content="'$user_keyword_search_in_title_and_deskrition'" />  // اصف كلمات
    <meta name="revisit" content="9 days">
    <meta name="distribution" content="Global"/>
    <meta name="revisit-after" content="9 days">
   <meta name="apple-mobile-web-app-capable" content="yes"/>
   <meta name="mobile-web-app-capable" content="yes">
   <meta name="referrer" content="unsafe-url">
   <meta name="format-detection" content="telephone=no"/>
   <meta name="HandheldFriendly" content="True"/>
   <meta name="classification" content="All"/>
   <meta name="googlebot" content="archive">
   <meta name="resource-type" content="document"/>
   <meta name="google-site-verification" content="" />
   <meta name="msvalidate.01" content="" />
   <meta name="p:domain_verify" content=""/>
   <meta name="yandex-verification" content="" />
   <meta name="robots" content="index,follow">
   <meta name="robots" content="noodp"/>
   <meta name="robots" content="all"/>
      </head>'
      , $contents);