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evaluate.xml
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125 lines (117 loc) · 3.46 KB
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<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 21e1338e9721534c00085ff3cff25e2dd2e84dc9 Maintainer: haluk Status: ready -->
<refentry xml:id="domxpath.evaluate" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>DOMXPath::evaluate</refname>
<refpurpose>Belirtilen XPath ifadesini çözümler ve mümkünse yazılı bir
sonuç verir</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis role="DOMXPath">
<modifier>public</modifier>
<type>mixed</type><methodname>DOMXPath::evaluate</methodname>
<methodparam><type>string</type><parameter>ifade</parameter></methodparam>
<methodparam choice="opt"><type class="union"><type>DOMNode</type><type>null</type></type><parameter>bağlamsal_düğüm</parameter><initializer>&null;</initializer></methodparam>
<methodparam choice="opt"><type>bool</type><parameter>kaydet</parameter><initializer>&true;</initializer></methodparam>
</methodsynopsis>
<para>
<parameter>ifade</parameter> ile belirtilen XPath ifadesini çözümler ve
mümkünse yazılı bir sonuç verir.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>ifade</parameter></term>
<listitem>
<para>
Değerlenderelecek XPath ifadesi.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>bağlamsal_düğüm</parameter></term>
<listitem>
<para>
Seçimlik olarak, göreli XPath sorguları yapmak içindir. Öntanımlı
olarak sorgular kök elemana göre çözümlenir.
</para>
</listitem>
</varlistentry>
&dom.parameters.register_node_ns;
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Mümkünse sonucu bir dizge orarak döndürür, değilse belirtilen XPath
ifadesi ile eşleşen tüm düğümleri içeren bir
<classname>DOMNodeList</classname> nesnesi döner.
</para>
<para>
<parameter>ifade</parameter> bozuksa ya da
<parameter>bağlamsal_düğüm</parameter> geçersizse,
<methodname>DOMXPath::evaluate</methodname> &false; döndürür.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>- Tüm İngilizce kitapların sayısını döndürmek</title>
<programlisting role="php">
<![CDATA[
<?php
$doc = new DOMDocument;
$doc->load('book.xml');
$xpath = new DOMXPath($doc);
$tbody = $doc->getElementsByTagName('tbody')->item(0);
// sorgumuzu tbody düğümüne göre yapalım
$query = 'count(row/entry[. = "en"])';
$entries = $xpath->evaluate($query, $tbody);
echo "$entries İngilizce kitap var.\n";
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
2 İngilizce kitap var.
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><methodname>DOMXPath::query</methodname></member>
</simplelist>
</para>
</refsect1>
</refentry>
<!-- 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
-->