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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <!-- $Revision$ --> | ||
| <!-- EN-Revision: c0e48705eb88453af785e0e4a6cbd526085dfe3a Maintainer: Luffy Status: ready --> | ||
| <reference xml:id="class.php-incomplete-class" role="class" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude"> | ||
|
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| <title>__PHP_Incomplete_Class 类</title> | ||
| <titleabbrev>__PHP_Incomplete_Class</titleabbrev> | ||
|
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| <partintro> | ||
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| <section xml:id="php-incomplete-class.intro"> | ||
| &reftitle.intro; | ||
| <para> | ||
| 由 <function>unserialize</function> 创建的在尝试反序列化未定义类或未在 <function>unserialize</function> | ||
| 的 <parameter>options</parameter> 数组的 <literal>allowed_classes</literal> | ||
| 中列出的类。 | ||
| </para> | ||
|
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| <para> | ||
| 在 PHP 7.2.0 之前，对 <classname>__PHP_Incomplete_Class</classname> 类使用 <function>is_object</function> | ||
| 会返回 &false;。从 PHP 7.2.0 开始，将返回 &true;。 | ||
| </para> | ||
| </section> | ||
|
|
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| <section xml:id="php-incomplete-class.synopsis"> | ||
| &reftitle.classsynopsis; | ||
|
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| <classsynopsis class="class"> | ||
| <ooclass> | ||
| <modifier>final</modifier> | ||
| <classname>__PHP_Incomplete_Class</classname> | ||
| </ooclass> | ||
| </classsynopsis> | ||
|
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| <para> | ||
| 此类没有默认属性或方法。 | ||
| 由 <function>unserialize</function> 创建时， | ||
| 除了所有反序列化的属性和值之外， | ||
| 对象还将具有一个 <literal>__PHP_Incomplete_Class_Name</literal> 属性， | ||
| 该属性将包含反序列化类的名称。 | ||
| </para> | ||
| </section> | ||
|
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| <section xml:id="php-incomplete-class.changelog" role="changelog"> | ||
| &reftitle.changelog; | ||
| <informaltable> | ||
| <tgroup cols="2"> | ||
| <thead> | ||
| <row> | ||
| <entry>&Version;</entry> | ||
| <entry>&Description;</entry> | ||
| </row> | ||
| </thead> | ||
| <tbody> | ||
| <row> | ||
| <entry>8.0.0</entry> | ||
| <entry> | ||
| 此类现在是 <literal>final</literal>。 | ||
| </entry> | ||
| </row> | ||
| </tbody> | ||
| </tgroup> | ||
| </informaltable> | ||
| </section> | ||
|
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| <section xml:id="php-incomplete-class.examples" role="examples"> | ||
| &reftitle.examples; | ||
| <example xml:id="php-incomplete-class.basic-example"> | ||
| <title>由 <function>unserialize</function> 创建</title> | ||
| <programlisting role="php"> | ||
| <![CDATA[ | ||
| <?php | ||
| class MyClass | ||
| { | ||
| public string $property = "myValue"; | ||
| } | ||
| $myObject = new MyClass; | ||
| $foo = serialize($myObject); | ||
| // unserializes all objects into __PHP_Incomplete_Class objects | ||
| $disallowed = unserialize($foo, ["allowed_classes" => false]); | ||
| var_dump($disallowed); | ||
| // unserializes all objects into __PHP_Incomplete_Class objects except those of MyClass2 and MyClass3 | ||
| $disallowed2 = unserialize($foo, ["allowed_classes" => ["MyClass2", "MyClass3"]]); | ||
| var_dump($disallowed2); | ||
| // unserializes undefined class into __PHP_Incomplete_Class object | ||
| $undefinedClass = unserialize('O:16:"MyUndefinedClass":0:{}'); | ||
| var_dump($undefinedClass); | ||
| ]]> | ||
| </programlisting> | ||
| &example.outputs; | ||
| <screen> | ||
| <![CDATA[ | ||
| object(__PHP_Incomplete_Class)#2 (2) { | ||
| ["__PHP_Incomplete_Class_Name"]=> | ||
| string(7) "MyClass" | ||
| ["property"]=> | ||
| string(7) "myValue" | ||
| } | ||
| object(__PHP_Incomplete_Class)#3 (2) { | ||
| ["__PHP_Incomplete_Class_Name"]=> | ||
| string(7) "MyClass" | ||
| ["property"]=> | ||
| string(7) "myValue" | ||
| } | ||
| object(__PHP_Incomplete_Class)#4 (1) { | ||
| ["__PHP_Incomplete_Class_Name"]=> | ||
| string(16) "MyUndefinedClass" | ||
| } | ||
| ]]> | ||
| </screen> | ||
| </example> | ||
| </section> | ||
|
|
||
| </partintro> | ||
|
|
||
| </reference> | ||
| <!-- Keep this comment at the end of the file | ||
| Local variables: | ||
| mode: sgml | ||
| sgml-omittag:t | ||
| sgml-shorttag:t | ||
| sgml-minimize-attributes:nil | ||
| sgml-always-quote-attributes:t | ||
| sgml-indent-step:1 | ||
| sgml-indent-data:t | ||
| indent-tabs-mode:nil | ||
| sgml-parent-document:nil | ||
| sgml-default-dtd-file:"~/.phpdoc/manual.ced" | ||
| sgml-exposed-tags:nil | ||
| sgml-local-catalogs:nil | ||
| sgml-local-ecat-files:nil | ||
| End: | ||
| vim600: syn=xml fen fdm=syntax fdl=2 si | ||
| vim: et tw=78 syn=sgml | ||
| vi: ts=1 sw=1 | ||
| --> |
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