title: save var_dump into text file
body: <p>I have the php code for sql query </p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
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  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;?
  $server = "127.0.0.1";
  $username = "root";
  $password = "1";
  
  $link= connecttodb($server,$username,$password);
  
  function connecttodb($server,$username,$password)
  {
  
      $rez=fopen("test.txt","ab");
      if ($link=mysql_connect ("$server","$username","$password",TRUE))
      {
          fwrite($rez,"".$server." \r\n");
       echo "Connected successfully to &gt;&gt; " .$server ;
    
    $result = mysql_query('SHOW DATABASES');
          echo "&lt;br&gt;";
          while ($row = mysql_fetch_array($result))
          {
              var_dump ($row); }
       }
      }
      ini_set('max_execution_time', 10);
      return $link;
  ?&gt;</code></pre>
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  <p>this code print my database name on the browser
  how I can save the database name into text file</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>Connected successfully to &gt;&gt; 127.0.0.1
  array(2) { [0]=&gt; string(18) "information_schema" ["Database"]=&gt; string(18) "information_schema" } array(2) { [0]=&gt; string(2) "db" ["Database"]=&gt; string(2) "db" } array(2) { [0]=&gt; string(5) "mysql" ["Database"]=&gt; string(5) "mysql" } array(2) { [0]=&gt; string(10) "phpmyadmin" ["Database"]=&gt; string(10) "phpmyadmin" } array(2) { [0]=&gt; string(4) "test" ["Database"]=&gt; string(4) "test" }</code></pre>
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