get-mangled-object-vars.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: d332b5ae70bd27873fa1b51b366a721957042e69 Maintainer: mowangjuanzi Status: ready -->
<refentry xml:id="function.get-mangled-object-vars" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>get_mangled_object_vars</refname>
  <refpurpose>返回将对象属性混在一起的数组</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>array</type><methodname>get_mangled_object_vars</methodname>
   <methodparam><type>object</type><parameter>object</parameter></methodparam>
  </methodsynopsis>
  <para>
   返回 &array;，其元素是 <parameter>object</parameter> 的属性。key 是成员变量名，但有几个显著的异常：private
   变量的变量名前加上类名，protected 变量的变量名前面加上 <literal>*</literal> 号。这些前置值在两边都带有
   <literal>NUL</literal> 字节。未初始化的<link linkend="language.oop5.properties.typed-properties">类型属性</link>会默默丢弃。
  </para>
 </refsect1>
 
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>object</parameter></term>
     <listitem>
      <para>
       对象实例。
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   返回包含 <parameter>object</parameter> 的所有属性的 &array;，无论其可见性如何。
  </para>
 </refsect1>
 
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>get_mangled_object_vars</function> 示例</title>
    <programlisting role="php">
<![CDATA[
<?php

class A
{
    public $public = 1;

    protected $protected = 2;

    private $private = 3;
}

class B extends A
{
    private $private = 4;
}

$object = new B;
$object->dynamic = 5;
$object->{'6'} = 6;

var_dump(get_mangled_object_vars($object));

class AO extends ArrayObject
{
    private $private = 1;
}

$arrayObject = new AO(['x' => 'y']);
$arrayObject->dynamic = 2;

var_dump(get_mangled_object_vars($arrayObject));
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
array(6) {
  ["Bprivate"]=>
  int(4)
  ["public"]=>
  int(1)
  ["*protected"]=>
  int(2)
  ["Aprivate"]=>
  int(3)
  ["dynamic"]=>
  int(5)
  [6]=>
  int(6)
}
array(2) {
  ["AOprivate"]=>
  int(1)
  ["dynamic"]=>
  int(2)
}

]]>
    </screen>
   </example>
  </para>
 </refsect1>
 
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>get_class_vars</function></member>
    <member><function>get_object_vars</function></member>
   </simplelist>
  </para>
 </refsect1>
 
</refentry>
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