3 namespace Org\Mxchange\CoreFramework\Utils\Arrays;
5 // Import framework stuff
6 use Org\Mxchange\CoreFramework\Bootstrap\FrameworkBootstrap;
7 use Org\Mxchange\CoreFramework\Object\BaseFrameworkSystem;
10 use \InvalidArgumentException;
11 use \OutOfBoundsException;
14 * A number utility class
16 * @author Roland Haeder <webmaster@ship-simu.org>
18 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2022 Core Developer Team
19 * @license GNU GPL 3.0 or any newer version
20 * @link http://www.ship-simu.org
22 * This program is free software: you can redistribute it and/or modify
23 * it under the terms of the GNU General Public License as published by
24 * the Free Software Foundation, either version 3 of the License, or
25 * (at your option) any later version.
27 * This program is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 * GNU General Public License for more details.
32 * You should have received a copy of the GNU General Public License
33 * along with this program. If not, see <http://www.gnu.org/licenses/>.
35 final class ArrayUtils extends BaseFrameworkSystem {
37 * Private constructor, no instance needed. If PHP would have a static initializer ...
41 private function __construct () {
42 // Call parent constructor
43 parent::__construct(__CLASS__);
47 * Maps numeric array keys to their corresponding associative
48 * (alpha-numberic) parts.
50 * @param $numericArray The array the mapping shall happen on
51 * @param $mapping Numeric array to map all elements from numeric keys to alpha-numeric keys
52 * @return $mappedArray An array with mapped values
53 * @throws InvalidArgumentException If a aparameter is not valid
55 public static function mapNumericKeysToAssociative (array $numericArray, array $mapping) {
56 // Validate parameters
57 if (count($numericArray) == 0) {
59 throw new InvalidArgumentException('Array "numericArray" is empty');
60 } elseif (count($mapping) == 0) {
62 throw new InvalidArgumentException('Array "mapping" is empty');
63 } elseif (count($numericArray) != count($mapping)) {
65 throw new InvalidArgumentException(sprintf('numericArray()=%d does not match mapping()=%d', count($numericArray), count($mapping)));
71 // "Walk" over the mapping array
72 foreach ($mapping as $sourceIndex => $targetName) {
73 // Is the source index not there?
74 if (!array_key_exists($sourceIndex, $numericArray)) {
75 // Should always be there!
76 throw new OutOfBoundsException(sprintf('numericArray[%d] does not exist.', $sourceIndex));
79 // "Map" (copy) it to new array
80 $mappedArray[$targetName] = $numericArray[$sourceIndex];
83 // Return fully mapped array