<?php
// test.php
$descriptorspec = array(
   0 => array("pipe", "r"),  // stdin is a pipe that the child will read from
   1 => array("pipe", "w"),  // stdout is a pipe that the child will write to
   2 => array("pipe", "w") // stderr is a file to write to
);

$cwd = "c:\\csr\\membership\\bin\\";
$env = array();
$process = proc_open("test2.php", $descriptorspec, $pipes, $cwd, $env);

if (is_resource($process)) {

    echo stream_get_contents($pipes[1]);
    echo stream_get_contents($pipes[2]);
    fclose($pipes[1]);
	fclose($pipes[2]);
    $return_value = proc_close($process);

    echo "command returned $return_value\n";
}
?>

<?php

// test2.php
if(mail("c.roberts@kent.ac.uk","Hello","this is a test"))
{
	echo "Mail sent OK\n";
} else {
	echo "Mail not sent\n";
}
?>

/***
C:\csr\membership\bin>test2.php
Mail sent OK

C:\csr\membership\bin>test.php

Warning: mail(): Failed to connect to mailserver at "129.12.21.52" port 25, veri
fy your "SMTP" and "smtp_port" setting in php.ini or use ini_set() in C:\csr\mem
bership\bin\test2.php on line 2
Mail not sent
command returned 0
***/