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/>.

**/

​

​

/**

 * Helper for array related operations.

 */

class CTestArrayHelper {

​

    /**

     * Get value from array by key.

     *

     * @param mixed $array      array

     * @param mixed $key        key to look for

     * @param mixed $default    default value to be returned if array key doesn't exist (or if non-array is passed)

     *

     * @return mixed

     */

    public static function get($array, $key, $default = null) {

        if (!is_array($array)) {

            return $default;

        }

​

        if (array_key_exists($key, $array)) {

            return $array[$key];

        }

​

        if (($pos = strrpos($key, '.')) !== false) {

            return static::get(static::get($array, substr($key, 0, $pos)), substr($key, $pos + 1), $default);

        }

​

        return $default;

    }

​

    /**

     * Check if array is associative.

     *

     * @param array $array

     *

     * @return boolean

     */

    public static function isAssociative($array) {

        return $array && array_keys($array) !== range(0, count($array) - 1);

    }

​

    /**

     * Sort array by multiple fields. This function assigns new keys to the elements in $array.

     *

     * @param array $array   The input array.

     * @param array $fields  Fields to sort, can be either string with field name or array with 'field' and 'order' keys.

     */