ldap_add

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

if ($ds) {
    // bind with appropriate dn to give update access
    $r=ldap_bind($ds,"cn=root, o=My Company, c=US", "secret");

    // prepare data
    $info["cn"]="John Jones";
    $info["sn"]="Jones";
    $info["mail"]="jonj@example.com";
    $info["objectclass"]="person";

    // add data to directory
    $r=ldap_add($ds, "cn=John Jones, o=My Company, c=US", $info);

    ldap_close($ds);
} else {
    echo "Unable to connect to LDAP server"; 
}
?>