Zabbix
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// Having only a root folder is the same as being empty. Temporary modify data to check if it is actually empty.<?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.**//** * API validator */class CApiInputValidator { /** * Base validation function. * * @param array $rule validation rule * @param mixed $data import data * @param string $path data path (for error reporting) * @param string $error * * @return bool */ public static function validate(array $rule, &$data, $path, &$error) { $error = ''; return self::validateData($rule, $data, $path, $error) && self::validateDataUniqueness($rule, $data, $path, $error); } /** * Base uniqueness validation function. * * @param array $rule validation rule * @param mixed $data import data * @param string $path data path (for error reporting) * @param string $error * * @return bool */ public static function validateUniqueness(array $rule, $data, $path, &$error) { $error = ''; return self::validateDataUniqueness($rule, $data, $path, $error); } /** * Base data validation function. * * @param array $rule * @param mixed $data * @param string $path * @param string $error * * @return bool */ private static function validateData($rule, &$data, $path, &$error) { switch ($rule['type']) { case API_CALC_FORMULA: return self::validateCalcFormula($rule, $data, $path, $error); case API_COLOR: return self::validateColor($rule, $data, $path, $error); case API_COND_FORMULA: return self::validateCondFormula($rule, $data, $path, $error); case API_COND_FORMULAID: return self::validateCondFormulaId($rule, $data, $path, $error); case API_STRING_UTF8: return self::validateStringUtf8($rule, $data, $path, $error); case API_STRINGS_UTF8: return self::validateStringsUtf8($rule, $data, $path, $error); case API_INT32: return self::validateInt32($rule, $data, $path, $error);