Zabbix

<?php

/*

** Zabbix

** Copyright (C) 2001-2022 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

​

/**

 * Convert PHP variable to string version of JavaScript style

 *

 * @deprecated  Use json_encode() instead.

 *

 * @param mixed $value

 * @param bool  $as_object return string containing javascript object

 * @param bool  $addQuotes whether quotes should be added at the beginning and at the end of string

 *

 * @return string

 */

function zbx_jsvalue($value, $as_object = false, $addQuotes = true) {

    if (!is_array($value)) {

        if (is_object($value)) {

            return unpack_object($value);

        }

        elseif (is_string($value)) {

            $escaped = str_replace("\r", '', $value); // removing caret returns

            $escaped = str_replace("\\", "\\\\", $escaped); // escaping slashes: \ => \\

            $escaped = str_replace('"', '\"', $escaped); // escaping quotes: " => \"

            $escaped = str_replace("\n", '\n', $escaped); // changing LF to '\n' string

            $escaped = str_replace('\'', '\\\'', $escaped); // escaping single quotes: ' => \'

            $escaped = str_replace('/', '\/', $escaped); // escaping forward slash: / => \/

            if ($addQuotes) {

                $escaped = "'".$escaped."'";

            }

            return $escaped;

        }

        elseif (is_null($value)) {

            return 'null';

        }

        elseif (is_bool($value)) {

            return ($value) ? 'true' : 'false';

        }

        else {

            return strval($value);

        }

    }

    elseif (count($value) == 0) {

        return $as_object ? '{}' : '[]';

    }

​