Online PHP editor | rfc for uUYUO

@ 2018-12-19T06:43:18Z

<?php

/**
 * Works fine if the key are not numerical
 */
$arrTags = [];
$arrTags['mango'] = 2; 
$arrTags['orange'] = 4; 
$arrTags['apple'] = 2; 
$arrTags['banana'] = 3;


array_multisort(array_values($arrTags), SORT_DESC, array_keys($arrTags), SORT_ASC, $arrTags);

echo "Elegant solution works fine if keys are not numerical:\r\n";
var_dump($arrTags);

/**
 * If keys are numerical, they will be ignored
 */
$arrTags = [];
$arrTags[10] = 2; 
$arrTags[20] = 4; 
$arrTags[30] = 2; 
$arrTags[40] = 3;

array_multisort(array_values($arrTags), SORT_DESC, array_keys($arrTags), SORT_ASC, $arrTags);

echo "If keys are numerical, they will be ignored:\r\n";
var_dump($arrTags);

/**
 * A slightly less elegant solution will work.
 */
$arrTags = [];
$arrTags[10] = 2; 
$arrTags[20] = 4; 
$arrTags[30] = 2; 
$arrTags[40] = 3;

$keys= array_keys($arrTags);
$values= array_values($arrTags);
array_multisort($values, SORT_DESC, $keys, SORT_ASC);
$arrTags = array_combine($keys, $values);

echo "If numerical keys are important, the slightly less elegant solution will work:\r\n";
var_dump($arrTags);

Output for git.master, git.master_jit, rfc.property-hooks: Elegant solution works fine if keys are not numerical: array(4) { ["orange"]=> int(4) ["banana"]=> int(3) ["apple"]=> int(2) ["mango"]=> int(2) } If keys are numerical, they will be ignored: array(4) { [0]=> int(4) [1]=> int(3) [2]=> int(2) [3]=> int(2) } If numerical keys are important, the slightly less elegant solution will work: array(4) { [20]=> int(4) [40]=> int(3) [10]=> int(2) [30]=> int(2) }

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
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2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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