3 namespace Org\Mxchange\CoreFramework\Utils\Arrays;
5 // Import framework stuff
6 use Org\Mxchange\CoreFramework\Bootstrap\FrameworkBootstrap;
7 use Org\Mxchange\CoreFramework\Generic\FrameworkInterface;
8 use Org\Mxchange\CoreFramework\Object\BaseFrameworkSystem;
11 use \InvalidArgumentException;
12 use \OutOfBoundsException;
15 * A number utility class
17 * @author Roland Haeder <webmaster@ship-simu.org>
19 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2023 Core Developer Team
20 * @license GNU GPL 3.0 or any newer version
21 * @link http://www.ship-simu.org
23 * This program is free software: you can redistribute it and/or modify
24 * it under the terms of the GNU General Public License as published by
25 * the Free Software Foundation, either version 3 of the License, or
26 * (at your option) any later version.
28 * This program is distributed in the hope that it will be useful,
29 * but WITHOUT ANY WARRANTY; without even the implied warranty of
30 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 * GNU General Public License for more details.
33 * You should have received a copy of the GNU General Public License
34 * along with this program. If not, see <http://www.gnu.org/licenses/>.
36 final class ArrayUtils extends BaseFrameworkSystem {
38 * Private constructor, no instance needed. If PHP would have a static initializer ...
42 private function __construct () {
43 // Call parent constructor
44 parent::__construct(__CLASS__);
48 * Maps numeric array keys to their corresponding associative
49 * (alpha-numberic) parts.
51 * @param $numericArray The array the mapping shall happen on
52 * @param $mapping Numeric array to map all elements from numeric keys to alpha-numeric keys
53 * @return $mappedArray An array with mapped values
54 * @throws InvalidArgumentException If a aparameter is not valid
56 public static function mapNumericKeysToAssociative (array $numericArray, array $mapping) {
57 // Validate parameters
58 if (count($numericArray) == 0) {
60 throw new InvalidArgumentException('Array "numericArray" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
61 } elseif (count($mapping) == 0) {
63 throw new InvalidArgumentException('Array "mapping" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
64 } elseif (count($numericArray) != count($mapping)) {
66 throw new InvalidArgumentException(sprintf('numericArray()=%d does not match mapping()=%d', count($numericArray), count($mapping)));
72 // "Walk" over the mapping array
73 foreach ($mapping as $sourceIndex => $targetName) {
74 // Is the source index not there?
75 if (!array_key_exists($sourceIndex, $numericArray)) {
76 // Should always be there!
77 throw new OutOfBoundsException(sprintf('numericArray[%d] does not exist.', $sourceIndex));
80 // "Map" (copy) it to new array
81 $mappedArray[$targetName] = $numericArray[$sourceIndex];
84 // Return fully mapped array