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behaviour change ducumented more clearly (see bug #14591)

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@85921 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Hartmut Holzgraefe 2002-06-17 12:36:08 +00:00
parent 94a00aff30
commit 3e43773974
1 changed files with 10 additions and 3 deletions
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13
reference/array/functions/usort.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.4 $ -->
<!-- $Revision: 1.5 $ -->
<!-- splitted from ./en/functions/array.xml, last change in rev 1.2 -->
<refentry id="function.usort">
<refnamediv>
@ -25,8 +25,15 @@
The comparison function must return an integer less than, equal
to, or greater than zero if the first argument is considered to
be respectively less than, equal to, or greater than the
second. If two members compare as equal, their order in the
sorted array is undefined.
second.
<note>
<para>
If two members compare as equal, their order in the sorted array is undefined.
Up to PHP 4.0.6 the user defined functions would keep the original order for
thoes elements, but with the new sort algorithm intruduced with 4.1.0 this
is no longer the case as there is no solution to do so in an efficient way.
</para>
</note>
</para>
<para>
<example>