rfc:constdereference

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rfc:constdereference [2011/11/30 06:06] – laruencerfc:constdereference [2017/09/22 13:28] (current) – external edit 127.0.0.1
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   * Date: 2011-11-30   * Date: 2011-11-30
   * Author: Xinchen Hui <laruence@php.net>   * Author: Xinchen Hui <laruence@php.net>
-  * Status: Vote+  * Status: Implemented in PHP 5.5
   * First Published at: https://wiki.php.net/rfc/constdereference   * First Published at: https://wiki.php.net/rfc/constdereference
  
 ===== Introduction ===== ===== Introduction =====
-A small change to make things consistent.+ 
 +A little improvement to make things consistent. 
  
 ===== Proposal ===== ===== Proposal =====
-base on feature request: https://bugs.php.net/bug.php?id=60408 , I wrote a patch to make php support const array/string dereference+Base on feature request: https://bugs.php.net/bug.php?id=60408: 
  
-after patched, following script:+<code> 
 +Please add array constructor dereferencing support 
 + 
 +like JavaScript, C# and all languages excluding PHP 5.4 
 + 
 +<?php 
 + 
 + $i=0; 
 + print(array('pa','th')[$i++]); // pa 
 + print(['wa','ss'][$i++]); // ss 
 + 
 +?> 
 +</code> 
 + 
 +I wrote a patch to make php support const array/string dereferencing. After the patch, the following script works:
 <code php> <code php>
 echo array(1, 2, 3)[0]; //output 1 echo array(1, 2, 3)[0]; //output 1
 echo "foobar"[2]; //output o echo "foobar"[2]; //output o
 echo "foobar"["foo"][0] // output f echo "foobar"["foo"][0] // output f
-</code> 
  
-works.+echo [1,3,4][2]; //output 4 
 +</code> 
 +===== Vote ===== 
 +<doodle  
 +title="do you think it is okey to apply this to TRUNK(not 5.4)?" auth="laruence" voteType="single" closed="true"> 
 +   * yes 
 +   * no 
 +</doodle>
  
 ===== Patches ===== ===== Patches =====
-   * http://www.laruence.com/php-dev/php-5.4-trunk-req60408.patch+   * https://gist.github.com/2375008
 ===== Tests ===== ===== Tests =====
    * http://www.laruence.com/php-dev/const_dereference_001.phpt    * http://www.laruence.com/php-dev/const_dereference_001.phpt
    * http://www.laruence.com/php-dev/const_dereference_002.phpt    * http://www.laruence.com/php-dev/const_dereference_002.phpt
 +   * http://www.laruence.com/php-dev/const_dereference_003.phpt
  
 ===== Changelog ===== ===== Changelog =====
   * 2011-11-30 Xinchen Hui: Initial RFC creation   * 2011-11-30 Xinchen Hui: Initial RFC creation
 +  * 2011-12-13 Xinchen Hui: Start voting
 +  * 2012-04-13 Xinchen Hui: Update patch, fixed issue spot by Dmitry
 +  * 2012-04-13 Xinchen Hui: Close voting
 +  * 2012-04-17 Xinchen Hui: Committed && Close
rfc/constdereference.1322633188.txt.gz · Last modified: 2017/09/22 13:28 (external edit)

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