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<?php
/*
** Zabbix
** Copyright (C) 2001-2023 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.
**/
/**
* 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.
*
* @static
*
* @param array $array The input array.
* @param array $fields Fields to sort, can be either string with field name or array with 'field' and 'order' keys.
*/
public static function usort(array &$array, array $fields) {
foreach ($fields as $i => $field) {
if (is_string($field)) {
$fields[$i] = ['field' => $field, 'order' => ZBX_SORT_UP];
}
}
usort($array, function($a, $b) use ($fields) {
foreach ($fields as $field) {
$cmp = strnatcasecmp($a[$field['field']], $b[$field['field']]);
if ($cmp != 0) {
return $cmp * ($field['order'] == ZBX_SORT_UP ? 1 : -1);
}
}
return 0;
});
}
}