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php-doc-ru/reference/array/functions/shuffle.xml
Andrey Gromov b607f38d32 upd
git-svn-id: https://svn.php.net/repository/phpdoc/ru/trunk@341934 c90b9560-bf6c-de11-be94-00142212c4b1
2017-02-20 22:21:43 +00:00

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<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: ce3996c4034836382ce768d3eea655138738e045 Maintainer: Rjhdby Status: ready -->
<!-- Reviewed: yes -->
<!-- $Revision$ -->
<refentry xml:id="function.shuffle" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>shuffle</refname>
<refpurpose>Перемешивает массив</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>shuffle</methodname>
<methodparam><type>array</type><parameter role="reference">array</parameter></methodparam>
</methodsynopsis>
<para>
Эта функция перемешивает элементы массива в случайном порядке.
Используется псевдослучайный генератор случайных чисел, следовательно
данная функция не подходит для задач криптографии.
</para>
&note.sort-unstable;
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>array</parameter></term>
<listitem>
<para>
Массив.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<para>
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>7.1.0</entry>
<entry>
<link linkend="migration71.incompatible.rand-srand-aliases">Внутренний алгоритм
получения случайных чисел изменен с функции rand библиотеки libc на генератор
на базе <link xlink:href="&url.mersenne;">Вихря Мерсена</link>.</link>
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Пример использования <function>shuffle</function></title>
<programlisting role="php">
<![CDATA[
<?php
$numbers = range(1, 20);
shuffle($numbers);
foreach ($numbers as $number) {
echo "$number ";
}
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="notes">
&reftitle.notes;
&note.no-key-association;
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>array_rand</function></member>
<member>&seealso.array.sorting;</member>
</simplelist>
</para>
</refsect1>
</refentry>
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