<?php
$mlist = "student";
$ds = ldap_connect("ldap.iiita.ac.in");
ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
$sr = ldap_search($ds, "ou=btech,ou=rgiit,dc=iiita,dc=ac,dc=in", "(&(uid=*)(objectClass=posixAccount))");
$info = ldap_get_entries($ds, $sr);
$count = count($info);
sort($info);
$j = 0;
for($i=0; $i < $count-1; $i++){
  	$uid = $info[$i]['uid'][0];
  	if ($uid){
    		$j++;
  		$email = $info[$i]['mail'][0];
    		$cmd = "/usr/local/bin/ezmlm/ezmlm-unsub /mail/lists/$mlist/list $email 2>&1";
    		$output = shell_exec($cmd);
    		echo $j . ". " . $email . " removed\n";
  	}
}
echo "\n\nRemaining subscribers...\n\n";
$cmd = "/usr/local/bin/ezmlm/ezmlm-list /mail/lists/$mlist/list 2>&1";
$output = shell_exec($cmd);
echo $output;
echo "\n\nTotal subscribers... ";
$cmd = "/usr/local/bin/ezmlm/ezmlm-list /mail/lists/$mlist/list | wc";
$output = shell_exec($cmd);
echo $output;

?>