Zabbix

<?php

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

​

/**

 * A parser for absolute and relative time used in the date-time inputs.

 */

class CRangeTimeParser extends CParser {

​

    const ZBX_TIME_UNKNOWN = 0;

    const ZBX_TIME_ABSOLUTE = 1;

    const ZBX_TIME_RELATIVE = 2;

​

    /**

     * @var int $time_type

     */

    private $time_type;

​

    /**

     * @var CRelativeTimeParser

     */

    private $relative_time_parser;

​

    /**

     * @var CAbsoluteTimeParser

     */

    private $absolute_time_parser;

​

    public function __construct() {

        $this->relative_time_parser = new CRelativeTimeParser();

        $this->absolute_time_parser = new CAbsoluteTimeParser();

    }

​

    /**

     * Parse the given period.

     *

     * @param string $source  Source string that needs to be parsed.

     * @param int    $pos     Position offset.

     */

    public function parse($source, $pos = 0) {

        $this->length = 0;

        $this->match = '';

        $this->time_type = self::ZBX_TIME_UNKNOWN;

​

        $p = $pos;

​

        if ($this->relative_time_parser->parse($source, $p) != self::PARSE_FAIL) {

            $p += $this->relative_time_parser->getLength();

            $this->time_type = self::ZBX_TIME_RELATIVE;

        }

        elseif ($this->absolute_time_parser->parse($source, $p) != self::PARSE_FAIL) {