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150 lines
4.0 KiB
XML
150 lines
4.0 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: c0e48705eb88453af785e0e4a6cbd526085dfe3a Maintainer: grzesiek Status: ready -->
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<!-- $Revision$ -->
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<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>Klasa __PHP_Incomplete_Class</title>
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<titleabbrev>__PHP_Incomplete_Class</titleabbrev>
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<partintro>
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<section xml:id="php-incomplete-class.intro">
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&reftitle.intro;
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<para>
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Tworzona przez funkcję <function>unserialize</function>
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podczas próby deserializacji niezdefiniowanej klasy lub klasy,
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która nie jest wymieniona w <literal>allowed_classes</literal>
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tablicy opcji <parameter>options</parameter> funkcji <function>unserialize</function>.
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</para>
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<para>
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Przed PHP 7.2.0, użycie funkcji <function>is_object</function> na klasie
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<classname>__PHP_Incomplete_Class</classname> zwracało &false;.
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Od PHP 7.2.0 zwracana jest wartość &true;.
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</para>
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</section>
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<section xml:id="php-incomplete-class.synopsis">
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&reftitle.classsynopsis;
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<classsynopsis class="class">
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<ooclass>
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<modifier>final</modifier>
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<classname>__PHP_Incomplete_Class</classname>
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</ooclass>
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</classsynopsis>
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<para>
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Klasa ta nie ma domyślnych właściwości ani metod.
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Po utworzeniu przez funkcję <function>unserialize</function>,
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oprócz wszystkich niezdeserializowanych właściwości i wartości,
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obiekt będzie posiadał właściwość <literal>__PHP_Incomplete_Class_Name</literal>,
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która będzie zawierać nazwę niezdeserializowanej klasy.
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</para>
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</section>
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<section xml:id="php-incomplete-class.changelog" role="changelog">
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&reftitle.changelog;
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>8.0.0</entry>
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<entry>
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Ta klasa jest teraz klasą finalną (<literal>final</literal>).
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</section>
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<section xml:id="php-incomplete-class.examples" role="examples">
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&reftitle.examples;
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<example xml:id="php-incomplete-class.basic-example">
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<title>Utworzone przez funkcję <function>unserialize</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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class MyClass
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{
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public string $property = "myValue";
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}
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$myObject = new MyClass;
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$foo = serialize($myObject);
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// deserializuje wszystkie obiekty do obiektów __PHP_Incomplete_Class
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$disallowed = unserialize($foo, ["allowed_classes" => false]);
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var_dump($disallowed);
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// deserializuje wszystkie obiekty do obiektów __PHP_Incomplete_Class z wyjątkiem obiektów klas MyClass2 i MyClass3
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$disallowed2 = unserialize($foo, ["allowed_classes" => ["MyClass2", "MyClass3"]]);
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var_dump($disallowed2);
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// deserializuje niezdefiniowaną klasę do obiektu __PHP_Incomplete_Class
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$undefinedClass = unserialize('O:16:"MyUndefinedClass":0:{}');
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var_dump($undefinedClass);
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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object(__PHP_Incomplete_Class)#2 (2) {
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["__PHP_Incomplete_Class_Name"]=>
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string(7) "MyClass"
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["property"]=>
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string(7) "myValue"
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}
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object(__PHP_Incomplete_Class)#3 (2) {
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["__PHP_Incomplete_Class_Name"]=>
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string(7) "MyClass"
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["property"]=>
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string(7) "myValue"
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}
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object(__PHP_Incomplete_Class)#4 (1) {
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["__PHP_Incomplete_Class_Name"]=>
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string(16) "MyUndefinedClass"
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}
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]]>
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</screen>
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</example>
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</section>
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</partintro>
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</reference>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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