ldap_close

<?php
$ds=ldap_connect("localhost");  // assuming the LDAP server is on this host

if ($ds) {
    $r=ldap_bind($ds,"cn=root, o=My Company, c=US", "secret");
    $info["cn"]="Roberto Celestino";
    $info["sn"]="Roberto";
    $info["mail"]="rcelestino@here.and.now";
    $info["objectclass"]="person";

    // add data to directory
    $r=ldap_add($ds, "cn=Celestino Roberto, o=Mi Compania, c=US", $info);
    //Close the link apointed by the identified $ds (get with ldap_connect)
    ldap_close($ds);

}
?>