How to get output of popen()

[EchoX]

when i executed popen($cmd), i cant known the status of popen($cmd) and $cmd is wrong or true. Anyone help me.

[DoppyNL]

according to the manual you have to use 2 parameters with the function popen: manual page.

start by correcting that and then explain what is actually going wrong, bacause I can't follow you.

Greetz Daan

[EchoX]

<?php
$cmd="/usr/sbin/sendmail -t -i";
$f=popen($cmd,"w");
fwrite($f,"somthing here");
.....
pclose($f);
?>
how to get output of this.