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Doc Bug #66668 Function names are case-sensitive for chars with codes 127-255
Submitted: 2014-02-07 20:54 UTC Modified: -
Votes:2
Avg. Score:1.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: mail at mkharitonov dot net Assigned:
Status: Open Package: Documentation problem
PHP Version: 5.5.9 OS: Mac OS X 10.8.5
Private report: No CVE-ID: None
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 [2014-02-07 20:54 UTC] mail at mkharitonov dot net
Description:
------------
Manual page: http://www.php.net/manual/en/functions.user-defined.php

Actual text: "Function names are case-insensitive, ...".

Expected text: "Function names are case-insensitive for A-Z chars and case-sensitive for chars with codes from 127 through 255 (0x7f-0xff), ...".

Test script:
---------------
<?php
/* File charset is "windows-1251" */
function english() { print 'ok '; }
english();
ENGLISH();

function кириллица() { print 'ok '; }
кириллица();
КИРИЛЛИЦА();

Expected result:
----------------
ok ok ok ok 

Actual result:
--------------
ok ok ok 
Fatal error: Call to undefined function КИРИЛЛИЦА() in ... on line 9

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 [2014-03-06 14:19 UTC] narf at devilix dot net
I can't actually reproduce the described behavior, because it triggers a syntax error on my setup.

Anyway, character sets can't be auto-magically guessed (not to mention that they can be mixed), so you can't expect case-sensitivity to work out of the box like that. However, the following should work:

    <?php
    declare(encoding='WINDOWS-1251'); // assuming this is the file character set

    function тест() { echo "ok\n"; }

    тест();
    ТЕСТ();

It doesn't. As I said - it triggers a syntax error for me and doesn't recognize the characters at all.
 
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