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registerphpfunctions.xml
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registerphpfunctions.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 4f5e2b22575131fa5e9c3004b1c874e1acb06573 Maintainer: nilgun Status: ready -->
<refentry xml:id="domxpath.registerphpfunctions" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>DOMXPath::registerPhpFunctions</refname>
<refpurpose>PHP işlevlerini XPath ifadelerinde kullanılabilir yapar</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis role="DOMXPath">
<modifier>public</modifier> <type>void</type><methodname>DOMXPath::registerPhpFunctions</methodname>
<methodparam choice="opt"><type class="union"><type>string</type><type>array</type><type>null</type></type><parameter>sınırla</parameter><initializer>&null;</initializer></methodparam>
</methodsynopsis>
<para>
Bu yöntem PHP işlevlerinin XPath ifadelerinde kullanılabilme yeteneğini
etkinleştirir.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>sınırla</parameter></term>
<listitem>
<para>
XPath ifadelerinde kullanmak üzere sadece belli işlevlere izin vermek için kullanılır.
</para>
<para>
Ya bir dizge (işlev ismi) ya da işlev isimlerini içeren bir dizi
olabilir.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.void;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
Bu örneklerde aşağıda içeriği verlen <filename>book.xml</filename>
dosyası kullanılmıştır:
</para>
<para>
<example>
<title>book.xml</title>
<programlisting role="xml">
<![CDATA[
<?xml version="1.0" encoding="UTF-8"?>
<books>
<book>
<title>PHP Basics</title>
<author>Jim Smith</author>
<author>Jane Smith</author>
</book>
<book>
<title>PHP Secrets</title>
<author>Jenny Smythe</author>
</book>
<book>
<title>XML basics</title>
<author>Joe Black</author>
</book>
</books>
]]>
</programlisting>
</example>
</para>
<para>
<example>
<title>- <methodname>DOMXPath::registerPHPFunctions</methodname> ve <literal>php:functionString</literal> kullanımı</title>
<programlisting role="php">
<![CDATA[
<?php
$doc = new DOMDocument;
$doc->load('book.xml');
$xpath = new DOMXPath($doc);
// php: isim alanını tanıt (gerekli)
$xpath->registerNamespace("php", "http://php.net/xpath");
// PHP işlevlerini tanıt (sınırlama yok)
$xpath->registerPHPFunctions();
// substr işlevini book/title üzerinde kullan
$nodes = $xpath->query('//book[php:functionString("substr", title, 0, 3) = "PHP"]');
echo "'PHP' ile başlayan {$nodes->length} kitap bulundu:\n";
foreach ($nodes as $node) {
$title = $node->getElementsByTagName("title")->item(0)->nodeValue;
$author = $node->getElementsByTagName("author")->item(0)->nodeValue;
echo "$author tarafından yazılan '$title'\n";
}
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
'PHP' ile başlayan 2 kitap bulundu:
Jim Smith tarafından yazılan 'PHP Basics'
Jenny Smythe tarafından yazılan 'PHP Secrets'
]]>
</screen>
</example>
</para>
<para>
<example>
<title>- <methodname>DOMXPath::registerPHPFunctions</methodname> ve <literal>php:function</literal> kullanımı</title>
<programlisting role="php">
<![CDATA[
<?php
$doc = new DOMDocument;
$doc->load('book.xml');
$xpath = new DOMXPath($doc);
// php: isim alanını tanıt (gerekli)
$xpath->registerNamespace("php", "http://php.net/xpath");
// PHP işlevlerini tanıt (sadece birden_fazla işlevi)
$xpath->registerPHPFunctions("birden_fazla");
function birden_fazla($nodes) {
// Bir yazardan fazla varsa true dönsün
return count($nodes) > 1;
}
// Birden fazla yazarlı kitapları ayır
$books = $xpath->query('//book[php:function("birden_fazla", author)]');
echo "Birden fazla yazarlı kitaplar:\n";
foreach ($books as $book) {
echo $book->getElementsByTagName("title")->item(0)->nodeValue . "\n";
}
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
Birden fazla yazarlı kitaplar:
PHP Basics
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><methodname>DOMXPath::registerNamespace</methodname></member>
<member><methodname>DOMXPath::query</methodname></member>
<member><methodname>DOMXPath::evaluate</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
-->