<?php
   $user="cn=administrator,cn=users,dc=contoso,dc=com";
   $pass="p@ssw0rd";
   $ds = ldap_connect("172.16.32.59");
   if($ds){
     ldap_set_option($ds,LDAP_OPT_PROTOCOL_VERSION,3);
     $r = ldap_bind($ds,$user,$pass);
        for ($i=1; $i<=100; $i++){
                $str =  'Gates' . $i;
                $dn = "cn=".$str.",cn=users,dc=contoso,dc=com";
                $info["cn"] = $str;
                $info["sn"] = $str;
                $info["objectclass"] = "user";
                echo "</br>".$dn."</br>";
                if((ldap_add($ds, $dn, $info))==0) {
                        echo " was added successfully"."\n";
                }
                else {
                        echo " was not added successfully";
                        echo "LDAP Error: ".ldap_error($ds)."\n";
                }
        }
     ldap_close($ds);
   }else{     echo "unable to connect <br>";   }
?>