note 50136 added to function.md5-file

Hi, when i use the above function it showed the following error. Fatal error: Call to undefined function: md5_file() should I change anything in my config file ? Please give me the best solution to overcome this problem. Tx, Shiva INDIA ---- Manual Page -- http://www.php.net/manual/en/function.md5-file.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+50136 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+50136&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+50136&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+50136&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+50136&report=yes&reason=useless Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+50136&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+50136&report=yes Search -- http://master.php.net/manage/user-notes.php