note 67107 deleted from function.popen by danbrown

Note Submitter: php dot net_manual at reimwerker dot de ---- If you are going to allow data coming from user input to be passed to this function, then you should keep in mind the following warning that also applies to exec() and system(): http://www.php.net/manual/en/function.exec.php http://www.php.net/manual/en/function.system.php Warning: If you are going to allow data coming from user input to be passed to this function, then you should be using escapeshellarg() or escapeshellcmd() to make sure that users cannot trick the system into executing arbitrary commands.