Gazelle/sections/ajax/usersearch.php

<?
/**********************************************************************
 *>>>>>>>>>>>>>>>>>>>>>>>>>>> User search <<<<<<<<<<<<<<<<<<<<<<<<<<<<*
 **********************************************************************/
authorize(true);

if (!empty($_GET['search'])) {
	
	$_GET['username'] = $_GET['search'];
}
 
define('USERS_PER_PAGE', 30);

if(isset($_GET['username'])){
	$_GET['username'] = trim($_GET['username']);

	list($Page,$Limit) = page_limit(USERS_PER_PAGE);
	$DB->query("SELECT SQL_CALC_FOUND_ROWS
		ID,
		Username,
		Enabled,
		PermissionID,
		Donor,
		Warned
		FROM users_main AS um
		JOIN users_info AS ui ON ui.UserID=um.ID
		WHERE Username LIKE '%".db_string($_GET['username'])."%'
		ORDER BY Username
		LIMIT $Limit");
	$Results = $DB->to_array();
	$DB->query('SELECT FOUND_ROWS();');
	list($NumResults) = $DB->next_record();

}

$JsonUsers = array();
foreach($Results as $Result) {
	list($UserID, $Username, $Enabled, $PermissionID, $Donor, $Warned) = $Result;

	$JsonUsers[] = array(
		'userId' => (int) $UserID,
		'username' => $Username,
		'donor' => $Donor == 1,
		'warned' => $Warned == 1,
		'enabled' => ($Enabled == 2 ? false : true),
		'class' => make_class_string($PermissionID)
	);
}

print
	json_encode(
		array(
			'status' => 'success',
			'response' => array(
				'currentPage' => (int) $Page,
				'pages' => ceil($NumResults/USERS_PER_PAGE),
				'results' => $JsonUsers
			)
		)
	);