Files
safechat/html/checknewuser.php
Marc Wäckerlin 0d2eeb25e0 more docs
2015-07-15 21:33:06 +00:00

38 lines
904 B
PHP

<?php
/*! @file
@id $Id$
@see @ref apichecknewuser
@page api Server API
@tableofcontents
@section apichecknewuser Check If User Exists
API-call checknewuser.php
Check if a user exists in the server's user table.
@param user user name to check
@return json encoded value:
- 'user name as string', if user does exist
- null, if user does not exist or in case of error
*/
// 1 2 3 4 5 6 7 8
// 45678901234567890123456789012345678901234567890123456789012345678901234567890
require_once("usertable.php");
try {
$user = $db->real_escape_string($_REQUEST['user']);
$q = $db->query("select * from user where name='$user';");
if ($q->num_rows==0) {
echo json_encode($_REQUEST['user']);
} else {
echo json_encode(null);
}
} catch (Exception $e) {
echo json_encode(null);
}
?>