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/>.

**/

​

​

/**

 * Class to operate with frontend setup information.

 * Currently only setup requirements are checked.

 */

class CFrontendSetup {

​

    const MIN_PHP_VERSION = '8.0.0';

    const MIN_PHP_MEMORY_LIMIT = '134217728'; // 128 * ZBX_MEBIBYTE;

    const MIN_PHP_POST_MAX_SIZE = '16777216'; // 16 * ZBX_MEBIBYTE;

    const MIN_PHP_UPLOAD_MAX_FILESIZE = '2097152'; // 2 * ZBX_MEBIBYTE;

    const MIN_PHP_MAX_EXECUTION_TIME = 300;

    const MIN_PHP_MAX_INPUT_TIME = 300;

    const MIN_PHP_GD_VERSION = '2.0';

    const MIN_PHP_LIBXML_VERSION = '2.6.15';

    const REQUIRED_PHP_ARG_SEPARATOR_OUTPUT = '&';

​

    /**

     * Check OK, setup can continue.

     */

    const CHECK_OK = 1;

​

    /**

     * Check failed, but setup can still continue. A warning will be displayed.

     */

    const CHECK_WARNING = 2;

​

    /**

     * Check failed, setup cannot continue. An error will be displayed.

     */

    const CHECK_FATAL = 3;

​

    /**

     * Default language, used by checkLocaleSet() check.

     */

    private $default_lang = '';

​

    /**

     * Set default language, used by checkLocaleSet() check.

     *

     * @param string $default_lang

     */

    public function setDefaultLang(string $default_lang): void {

        $this->default_lang = $default_lang;

    }

​

    /**

     * Perform all requirements checks.

     *

     * @return array

     */

    public function checkRequirements() {

        $result = [];

​

        $result[] = $this->checkPhpVersion();

        $result[] = $this->checkPhpMemoryLimit();

        $result[] = $this->checkPhpPostMaxSize();

        $result[] = $this->checkPhpUploadMaxFilesize();

        $result[] = $this->checkPhpMaxExecutionTime();

        $result[] = $this->checkPhpMaxInputTime();

        $result[] = $this->checkPhpDatabases();

        $result[] = $this->checkPhpBcmath();

        $result[] = $this->checkPhpMbstring();

        if (extension_loaded('mbstring')) {

            $result[] = $this->checkPhpMbstringFuncOverload();

        }

        $result[] = $this->checkPhpSockets();

        $result[] = $this->checkPhpGd();

        $result[] = $this->checkPhpGdPng();

        $result[] = $this->checkPhpGdJpeg();

        $result[] = $this->checkPhpGdGif();

        $result[] = $this->checkPhpGdFreeType();

        $result[] = $this->checkPhpLibxml();

        $result[] = $this->checkPhpXmlWriter();

        $result[] = $this->checkPhpXmlReader();

        $result[] = $this->checkPhpLdapModule();