archived-doc-zh/reference/array/constants.xml

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<appendix xml:id="array.constants" xmlns="http://docbook.org/ns/docbook">
 &reftitle.constants;
 &extension.constants.core;
 <para>
 <variablelist>
  <varlistentry>
   <term>
    <constant>CASE_LOWER</constant>
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     <constant>CASE_LOWER</constant> 用在
     <function>array_change_key_case</function> 中将数组的键名转换成小写字母。这也是
     <function>array_change_key_case</function> 的默认值。
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>CASE_UPPER</constant>
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     <constant>CASE_UPPER</constant> 用在
     <function>array_change_key_case</function> 中将数组的键名转换成大写字母。
    </simpara>
   </listitem>
  </varlistentry>
 </variablelist>
 </para>

 <para> 排序顺序标识：
 <variablelist>
  <varlistentry>
   <term>
    <constant>SORT_ASC</constant>
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     <constant>SORT_ASC</constant> 用在 <function>array_multisort</function>
     函数中，使其升序排列。
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>SORT_DESC</constant>
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     <constant>SORT_DESC</constant> 用在 <function>array_multisort</function>
     函数中，使其降序排列。
    </simpara>
   </listitem>
  </varlistentry>
 </variablelist>
 </para>

 <para>
  排序类型标识：用于各种排序函数
 <variablelist>
  <varlistentry>
   <term>
    <constant>SORT_REGULAR</constant>
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     <constant>SORT_REGULAR</constant> 用于对对象进行通常比较。
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>SORT_NUMERIC</constant>
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     <constant>SORT_NUMERIC</constant> 用于对对象进行数值比较。
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>SORT_STRING</constant>
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
    <constant>SORT_STRING</constant> 用于对对象进行字符串比较。
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>SORT_LOCALE_STRING</constant>
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
    <constant>SORT_LOCALE_STRING</constant> 基于当前区域来对对象进行字符串比较。PHP
    4.4.0 和 5.0.2 新加。
    </simpara>
   </listitem>
  </varlistentry>
 </variablelist>
 </para>
 <variablelist>
  <varlistentry>
   <term>
    <constant>COUNT_NORMAL</constant>
     (<type>integer</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>COUNT_RECURSIVE</constant>
     (<type>integer</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>EXTR_OVERWRITE</constant>
     (<type>integer</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>EXTR_SKIP</constant>
     (<type>integer</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>EXTR_PREFIX_SAME</constant>
     (<type>integer</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>EXTR_PREFIX_ALL</constant>
     (<type>integer</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>EXTR_PREFIX_INVALID</constant>
     (<type>integer</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>EXTR_PREFIX_IF_EXISTS</constant>
     (<type>integer</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>EXTR_IF_EXISTS</constant>
     (<type>integer</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>EXTR_REFS</constant>
     (<type>integer</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
 </variablelist>
</appendix>

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