<?php 
function chk_pass($uid, $pwd) { 
        $port = 636; 
        if ($pwd) { 
                $server = "ldaps://pldap.iiita.ac.in:636"; 
                $port = "636"; 
                error_reporting(0); 
                $ds = ldap_connect($server,$port); 
                ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3); 
                $a = ldap_search($ds,"dc=iiita,dc=ac,dc=in","uid=$uid"); 
                $b = ldap_get_entries($ds, $a);  
                $dn = $b[0]["dn"];  
                //if(ldap_start_tls($ds)) { 
                        if (ldap_bind($ds, $dn, $pwd)) { 
                                ldap_close($ds); 
                                return TRUE; 
                        } 
                //} 
                //else 
                //      echo $port; 
        } 
        return FALSE; 
} 
function chk_pass1($uid, $pwd) { 
        $port = 636;
        if ($pwd) {
                //$ds = ldap_connect("ldap.iiita.ac.in",$port);
                $ds = ldap_connect("pldap.iiita.ac.in");
                $ds = ldap_connect("172.31.1.41");
                ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
                $a = ldap_search($ds,"dc=iiita,dc=ac,dc=in","uid=$uid");
                $b = ldap_get_entries($ds, $a); 
                $dn = $b[0]["dn"]; 
                //if(ldap_start_tls($ds)) {
                        if (ldap_bind($ds, $dn, $pwd)) {
                                ldap_close($ds);
                                return TRUE;
                        }
                //}
                //else
                //      echo $port;
        }
        return FALSE;
}
?>