array-reverse.xml

<?xml version="1.0" encoding="utf-8"?>
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  <refentry xml:id="function.array-reverse" xmlns="http://docbook.org/ns/docbook">
   <refnamediv>
    <refname>array_reverse</refname>
    <refpurpose>
     返回单元顺序相反的数组
    </refpurpose>
   </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>array</type><methodname>array_reverse</methodname>
   <methodparam><type>array</type><parameter>array</parameter></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>preserve_keys</parameter><initializer>&false;</initializer></methodparam>
  </methodsynopsis>
    <para>
     <function>array_reverse</function> 接受数组
     <parameter>array</parameter> 作为输入并返回一个单元为相反顺序的新数组。
    </para>
  </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>array</parameter></term>
     <listitem>
      <para>
       输入的数组。
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>preserve_keys</parameter></term>
     <listitem>
      <para>
       如果设置为 &true; 会保留数字的键。
       非数字的键则不受这个设置的影响，总是会被保留。
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   返回反转后的数组。
  </para>
 </refsect1>  
  <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>array_reverse</function> 例子</title>
    <programlisting role="php">
<![CDATA[
<?php
$input  = array("php", 4.0, array("green", "red"));
$reversed = array_reverse($input);
$preserved = array_reverse($input, true);

print_r($input);
print_r($reversed);
print_r($preserved);
?>
]]>
    </programlisting>
    &example.outputs;
    <screen role="php">
<![CDATA[
Array
(
    [0] => php
    [1] => 4
    [2] => Array
        (
            [0] => green
            [1] => red
        )

)
Array
(
    [0] => Array
        (
            [0] => green
            [1] => red
        )

    [1] => 4
    [2] => php
)
Array
(
    [2] => Array
        (
            [0] => green
            [1] => red
        )

    [1] => 4
    [0] => php
)
]]>
    </screen>
   </example>
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>array_flip</function></member>
   </simplelist>
  </para>
 </refsect1>
  </refentry>

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