rfc:array_unpacking_string_keys

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rfc:array_unpacking_string_keys [2021/01/07 11:31] – nikicrfc:array_unpacking_string_keys [2021/02/09 09:55] (current) – nikic
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   * Date: 2021-01-07   * Date: 2021-01-07
   * Author: Nikita Popov <nikic@php.net>   * Author: Nikita Popov <nikic@php.net>
-  * Status: Under Discussion+  * Status: Implemented
   * Proposed Version: PHP 8.1   * Proposed Version: PHP 8.1
   * Implementation: https://github.com/php/php-src/pull/6584   * Implementation: https://github.com/php/php-src/pull/6584
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 Keys that are neither integers nor strings continue to throw a ''TypeError''. Such keys can only be generated by ''Traversable''s. Keys that are neither integers nor strings continue to throw a ''TypeError''. Such keys can only be generated by ''Traversable''s.
 +
 +Traversables may also generate integral string keys, which are canonicalized to integer keys by arrays. Such keys will be treated the same way as integer keys and renumbered:
 +
 +<PHP>
 +function gen() {
 +    yield "3" => 1;
 +    yield "2" => 2;
 +    yield "1" => 3;
 +}
 +var_dump([...gen()]); // [1, 2, 3]
 +</PHP>
  
 ===== Alternatives ===== ===== Alternatives =====
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 ===== Vote ===== ===== Vote =====
  
-Yes/No.+Voting started on 2021-01-25 and ended on 2021-02-08. 
 + 
 +<doodle title="Allow string keys in array unpacking?" auth="nikic" voteType="single" closed="true"> 
 +   * Yes 
 +   * No 
 +</doodle>
  
rfc/array_unpacking_string_keys.1610019112.txt.gz · Last modified: 2021/01/07 11:31 by nikic

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