getproperties.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="reflectionclass.getproperties" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>ReflectionClass::getProperties</refname>
  <refpurpose>获取属性</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis role="ReflectionClass">
   <modifier>public</modifier> <type>array</type><methodname>ReflectionClass::getProperties</methodname>
   <methodparam choice="opt"><type class="union"><type>int</type><type>null</type></type><parameter>filter</parameter><initializer>&null;</initializer></methodparam>
  </methodsynopsis>
  <para>
   获取反射过的属性。
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>filter</parameter></term>
     <listitem>
      <para>
       可选的过滤器，过滤为所需类型的属性。它使用 <link linkend="reflectionproperty.constants.modifiers">ReflectionProperty 常量</link> 来配置，默认获取所有类型的属性。
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   <classname>ReflectionProperty</classname> 对象的数组。
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     <row>
      <entry>7.2.0</entry>
      <entry>
       <parameter>filter</parameter> 现在允许为 null。
      </entry>
     </row>
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example xml:id="reflectionclass.getproperties.example.filter">
   <title><function>ReflectionClass::getProperties</function> 过滤示例</title>
   <para>
    这个示例延时了可选 <parameter>filter</parameter> 参数的用法，示例里实际上忽略了私有属性。
   </para>
   <programlisting role="php">
<![CDATA[
<?php
class Foo {
    public    $foo  = 1;
    protected $bar  = 2;
    private   $baz  = 3;
}

$foo = new Foo();

$reflect = new ReflectionClass($foo);
$props   = $reflect->getProperties(ReflectionProperty::IS_PUBLIC | ReflectionProperty::IS_PROTECTED);

foreach ($props as $prop) {
    print $prop->getName() . "\n";
}

var_dump($props);

?>
]]>
   </programlisting>
   &example.outputs.similar;
   <screen>
<![CDATA[
foo
bar
array(2) {
  [0]=>
  object(ReflectionProperty)#3 (2) {
    ["name"]=>
    string(3) "foo"
    ["class"]=>
    string(3) "Foo"
  }
  [1]=>
  object(ReflectionProperty)#4 (2) {
    ["name"]=>
    string(3) "bar"
    ["class"]=>
    string(3) "Foo"
  }
}
]]>
   </screen>
  </example>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>ReflectionClass::getProperty</methodname></member>
    <member><classname>ReflectionProperty</classname></member>
    <member><link linkend="reflectionproperty.constants.modifiers">ReflectionProperty 修饰符常量</link></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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