str-shuffle.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.str-shuffle" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>str_shuffle</refname>
  <refpurpose>随机打乱一个字符串</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>str_shuffle</methodname>
   <methodparam><type>string</type><parameter>string</parameter></methodparam>
  </methodsynopsis>
  <simpara>
   <function>str_shuffle</function> 函数打乱一个字符串，使用任何一种可能的排序方案。
  </simpara>
   &caution.cryptographically-insecure;
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>string</parameter></term>
     <listitem>
      <para>
       输入字符串。
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   返回打乱后的字符串。
  </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>
        内置的随机算法从 libc rand 函数<link linkend="migration71.incompatible.rand-srand-aliases">更改为</link><link xlink:href="&url.mersenne;">梅森旋转</link>伪随机数生成算法。
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>
 
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>str_shuffle</function> 示例</title>
    <programlisting role="php">
<![CDATA[
<?php
$str = 'abcdef';
$shuffled = str_shuffle($str);

// 输出类似于: bfdaec
echo $shuffled;
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>Random\Randomizer::shuffleBytes</function></member>
    <member><function>Random\Randomizer::shuffleArray</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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