EXCELIA_DBARR/custom/settlements/facturemarkedstorno.php

<?php
$res = 0;
// Try main.inc.php into web root known defined into CONTEXT_DOCUMENT_ROOT (not always defined)
if (!$res && !empty($_SERVER["CONTEXT_DOCUMENT_ROOT"])) {
    $res = @include $_SERVER["CONTEXT_DOCUMENT_ROOT"] . "/main.inc.php";
}
// Try main.inc.php into web root detected using web root calculated from SCRIPT_FILENAME
$tmp = empty($_SERVER['SCRIPT_FILENAME']) ? '' : $_SERVER['SCRIPT_FILENAME'];
$tmp2 = realpath(__FILE__);
$i = strlen($tmp) - 1;
$j = strlen($tmp2) - 1;
while ($i > 0 && $j > 0 && isset($tmp[$i]) && isset($tmp2[$j]) && $tmp[$i] == $tmp2[$j]) {
    $i--;
    $j--;
}
if (!$res && $i > 0 && file_exists(substr($tmp, 0, ($i + 1)) . "/main.inc.php")) {
    $res = @include substr($tmp, 0, ($i + 1)) . "/main.inc.php";
}
if (!$res && $i > 0 && file_exists(dirname(substr($tmp, 0, ($i + 1))) . "/main.inc.php")) {
    $res = @include dirname(substr($tmp, 0, ($i + 1))) . "/main.inc.php";
}
// Try main.inc.php using relative path
if (!$res && file_exists("../main.inc.php")) {
    $res = @include "../main.inc.php";
}
if (!$res && file_exists("../../main.inc.php")) {
    $res = @include "../../main.inc.php";
}
if (!$res && file_exists("../../../main.inc.php")) {
    $res = @include "../../../main.inc.php";
}
if (!$res) {
    die("Include of main fails");
}
$isStorno = $_GET['ajaxstorno'];
$facture_rowid = $_GET['facturerowid'];
$value = $isStorno=='true' ? 1 : 'NULL';
$sql = "UPDATE llx_facture_extrafields SET marked_for_storno = {$value} WHERE fk_object = {$facture_rowid}";
$data = $db->query($sql);