File modules/util/ArrayUtils.class.php

Last commit: Sun Dec 5 22:09:08 2021 +0100	dankert	Fix: The Diff function was broken.


     1 <?php
     2 
     3 namespace util;
     4 /**
     5  * Created by PhpStorm.
     6  * User: dankert
     7  * Date: 22.12.18
     8  * Time: 21:36
     9  */
    10 class ArrayUtils
    11 {
    12 
    13 	public static function getSubArray($array, $keys)
    14 	{
    15 
    16 		$a = $array;
    17 		foreach ($keys as $k) {
    18 			if (!isset($a[$k]))
    19 				return array();
    20 
    21 			if (!is_array($a[$k]))
    22 				return array();
    23 
    24 			$a = $a[$k];
    25 		}
    26 
    27 		return $a;
    28 	}
    29 
    30 
    31 	/**
    32 	 * Dives into an array and gets a value with a sub key.
    33 	 * @param array $array
    34 	 * @param array $keys
    35 	 * @return mixed|null
    36 	 */
    37 	public static function getSubValue($array, $keys)
    38 	{
    39 
    40 		$a = $array;
    41 		foreach ($keys as $k) {
    42 			if (!isset($a[$k]))
    43 				return null;
    44 
    45 			$a = $a[$k];
    46 		}
    47 
    48 		return $a;
    49 	}
    50 
    51 
    52 	/**
    53 	 * Maps an array to a new array.
    54 	 * @param $callback callable callback, it is called with 3 parameters: the new array, key, value.
    55 	 * @param $array array array which should be mapped
    56 	 * @return array the new array
    57 	 */
    58 	public static function mapToNewArray($array, $callback) {
    59 		$newArray = [];
    60 		foreach( $array as $key => $value ) {
    61 			$newArray += (array) call_user_func( $callback, $key, $value );
    62 		}
    63 		return $newArray;
    64 	}
    65 
    66 
    67 
    68 	/**
    69 	 * Make a dry flat array.
    70 	 *
    71 	 * @param $arr
    72 	 * @param $padChar
    73 	 * @param int $depth
    74 	 * @return array
    75 	 */
    76 	public static function dryFlattenArray($arr, $padChar = '  ', $depth = 0)
    77 	{
    78 		$new = array();
    79 
    80 		foreach ($arr as $key => $val) {
    81 			if (is_array($val)) {
    82 				$new[] = [
    83 					'key'  => str_repeat($padChar, $depth).$key,
    84 					'value'=> ''
    85 				];
    86 				$new = array_merge($new,self::dryFlattenArray($val, $padChar, $depth + 1));
    87 			} else
    88 				$new[] = [
    89 					'key'  => str_repeat($padChar, $depth).$key,
    90 					'value'=> $val
    91 				];
    92 		}
    93 		return $new;
    94 	}
    95 }



Download modules/util/ArrayUtils.class.php


History
Sun, 5 Dec 2021 22:09:08 +0100	dankert	Fix: The Diff function was broken.
Sun, 25 Oct 2020 01:45:39 +0200	Jan Dankert	Fix: the flattened arrays were missing some values oO
Sat, 22 Feb 2020 23:58:02 +0100	Jan Dankert	Refactoring: Namespacing for module 'util'.
Tue, 12 Nov 2019 22:49:28 +0100	Jan Dankert	New: Nicer output of the whole configuration.
Mon, 11 Nov 2019 00:43:47 +0100	Jan Dankert	New: node settings could have config variables; macro settings could have settings variables.
Sun, 10 Nov 2019 21:55:22 +0100	Jan Dankert	New: Page templates have access to the settings of the node object.
Sat, 22 Dec 2018 22:13:47 +0100	Jan Dankert	Bei der Filterung nach dem entsprechenden Publish-Typ unterscheiden.