natcasesort.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.natcasesort" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>natcasesort</refname>
  <refpurpose>用“自然排序”算法对数组进行不区分大小写字母的排序</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>true</type><methodname>natcasesort</methodname>
   <methodparam><type>array</type><parameter role="reference">array</parameter></methodparam>
  </methodsynopsis>
  <para>
   <function>natcasesort</function> 是 <function>natsort</function> 函数的不区分大小写字母的版本。
  </para>
  <para>
   本函数实现了一个和人们通常对字母数字字符串进行排序的方法一样的排序算法并保持原有键／值的关联，这被称为“自然排序”。
  </para>
  &note.sort-unstable;
  &note.reset-index;
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>array</parameter></term>
     <listitem>
      <para>
       输入的数组。
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.true.always;
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      &return.type.true;
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>natcasesort</function> 示例</title>
    <programlisting role="php">
<![CDATA[
<?php
$array1 = $array2 = array('IMG0.png', 'img12.png', 'img10.png', 'img2.png', 'img1.png', 'IMG3.png');

sort($array1);
echo "Standard sorting\n";
print_r($array1);

natcasesort($array2);
echo "\nNatural order sorting (case-insensitive)\n";
print_r($array2);
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Standard sorting
Array
(
    [0] => IMG0.png
    [1] => IMG3.png
    [2] => img1.png
    [3] => img10.png
    [4] => img12.png
    [5] => img2.png
)

Natural order sorting (case-insensitive)
Array
(
    [0] => IMG0.png
    [4] => img1.png
    [3] => img2.png
    [5] => IMG3.png
    [2] => img10.png
    [1] => img12.png
)
]]>
    </screen>
    <para>
     更多信息见 Martin Pool 的
     <link xlink:href="&url.strnatcmp;">Natural Order String Comparison</link> 页面。
    </para>
   </example>
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>natsort</function></member>
    <member>&seealso.array.sorting;</member>
    <member><function>strnatcmp</function></member>
    <member><function>strnatcasecmp</function></member>
   </simplelist>
  </para>
 </refsect1>
  </refentry>
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