ldap.php

<?php
$host = 'ldap://localhost';
$username = 'DOMAIN\\username';
$password = 'password';
$dn = "OU=Users,DC=company,DC=co,DC=nz";

if(!$argv[1]) {
	$searchFilter = '(employeeID=*)';
} else {
	$searchFilter = '(employeeID='.$argv[1].')';
}

// Connect to ldap host
$ldap = ldap_connect($host);
if(!$ldap) {
        echo '[-] Cant connect to server "'.$host.'"';
        exit(1);
}
echo '[+] Connected to '.$host.PHP_EOL;

if(!ldap_bind($ldap, $username, $password)) {
        echo '[-] Cant bind to server "'.$host.'", '.ldap_error($ldap).PHP_EOL;
        exit(1);
}
echo '[+] Binded to '.$host.PHP_EOL;


$resultResource = ldap_search($ldap, $dn, $searchFilter, array('uid', 'employeeID','cn', 'lastlogontimestamp'), 0, 10);
if(!$resultResource) {
        echo '[-] Error: '.ldap_error($ldap).PHP_EOL;
        exit(1);
}

ldap_sort($ldap, $resultResource, 'lastlogontimestamp');

echo 'Done the search for '.$searchFilter.PHP_EOL;
// Get the result from the search result
$items = ldap_get_entries($ldap, $resultResource);

foreach($items as $item) {
    if(!$item['dn']) { continue; }
    echo 'cn: '.$item['cn'][0];
    $cid = $item['employeeid'][0];
    echo ' | '.$cid.' ';
    echo PHP_EOL;
}