<?php
//AD Server Info
$AD_server = "localhost:port"; // Local Stunnel --> http://www.stunnel.org/
$AD_Auth_User = "account@domain"; //Administrative user
$AD_Auth_PWD = "password"; //The password

$dn = 'CN=Users,DC=domain';

//CONNNECT TO AD
$ds = ldap_connect('ldaps://'.$AD_server);
if ($ds) {
    //Using LDAPv3
	ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
	//Mmaximum number of entries that can be returned on a search operation
    ldap_set_option($ds, LDAP_OPT_SIZELIMIT, 35000);
    //Bind to AD Server
	$r = ldap_bind($ds, $AD_Auth_User, $AD_Auth_PWD);

	$dn = "CN=Users,DC=domain";
	//Search CN All User
	$filter="(|(cn=*))";
	$need_attribute = array( "ou", "sn", "givenname", "mail");
	$sr=ldap_search($ds, $dn, $filter, $need_attribute);
	
	/*$sr=ldap_search  (ilter  
	[, array $attributes  
	[, int $attrsonly  
	[, int $sizelimit  
	[, int $timelimit  
	[, int $deref  ]]]]] )*/
	
	$info = ldap_get_entries($ds, $sr);
	//Print Return Schema
	print_r( $info['count']);
	for ($i=0; $i < $info["count"]; $i++){
		//Print Every One
		echo $info[$i]["dn"]."\n";
	}
} else {
    echo "cannot connect to LDAP server at $AD_server.";
}
?>