title: Opening File in php
body: <p>I want to open the file in php.
  But when i open a file using fopen() i got the error.
  My code is given below.</p>
  
  <pre><code>&lt;?php
  
  chdir("/home/chintan/directory");
  
  $fp = fopen("abc.txt","w");
  
  if($fp == false)
  {
  echo "Error while opening file";
  }
  
  fwrite($fp,"Hi........");
  fclose($fp);
  
  ?&gt;
  </code></pre>
  
  <p>File is exist and file/directory has writable permission
  and it is giving the error that i have print using echo.
  I have tried using w+ but it it giving the same result</p>