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https://github.com/sigmasternchen/php-doc-en
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3c4233bca6
# please revise it # letter case is taken from sources git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@173347 c90b9560-bf6c-de11-be94-00142212c4b1
138 lines
4.4 KiB
XML
138 lines
4.4 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.12 $ -->
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<!-- splitted from ./en/functions/domxml.xml, last change in rev 1.40 -->
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<refentry id='function.domnode-append-child'>
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<refnamediv>
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<refname>DomNode->append_child</refname>
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<refpurpose>
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Adds new child at the end of the children
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</refpurpose>
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</refnamediv>
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<refsect1>
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&reftitle.description;
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<methodsynopsis>
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<type>domelement</type><methodname>DomNode->append_child</methodname>
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<methodparam><type>domelement</type><parameter>newnode</parameter></methodparam>
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</methodsynopsis>
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<para>
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This functions appends a child to an existing list of children or creates
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a new list of children. The child can be created with e.g.
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<function>domdocument_create_element</function>,
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<function>domdocument_create_text</function> etc. or simply by using any
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other node.
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</para>
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<para>
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(PHP < 4.3) Before a new child is appended it is first duplicated. Therefore the new
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child is a completely new copy which can be modified without changing the
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node which was passed to this function. If the node passed has children
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itself, they will be duplicated as well, which makes it quite easy to
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duplicate large parts of an XML document. The return value is the
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appended child. If you plan to do further modifications on the appended
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child you must use the returned node.
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</para>
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<para>
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(PHP 4.3.0/4.3.1) The new child <parameter>newnode</parameter> is first
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unlinked from its existing context, if it's already a child of DomNode.
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Therefore the node is moved and not copies anymore.
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</para>
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<para>
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(PHP >= 4.3.2) The new child <parameter>newnode</parameter> is first
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unlinked from its existing context, if it's already in the tree. Therefore
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the node is moved and not copied. This is the behaviour according to the
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W3C specifications. If you want to duplicate large parts of an XML document,
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use DomNode->clone_node() before appending.
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</para>
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<para>
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The following example will add a new element node to a fresh document
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and sets the attribute "align" to "left".
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<example>
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<title>Adding a child</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$doc = domxml_new_doc("1.0");
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$node = $doc->create_element("para");
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$newnode = $doc->append_child($node);
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$newnode->set_attribute("align", "left");
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?>
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]]>
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</programlisting>
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</example>
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The above example could also be written as the following:
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<example>
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<title>Adding a child</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$doc = domxml_new_doc("1.0");
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$node = $doc->create_element("para");
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$node->set_attribute("align", "left");
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$newnode = $doc->append_child($node);
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?>
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]]>
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</programlisting>
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</example>
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A more complex example is the one below. It first searches for a certain
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element, duplicates it including its children and adds it as a sibling.
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Finally a new attribute is added to one of the children of the new
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sibling and the whole document is dumped.
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<example>
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<title>Adding a child</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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include("example.inc");
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if (!$dom = domxml_open_mem($xmlstr)) {
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echo "Error while parsing the document\n";
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exit;
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}
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$elements = $dom->get_elements_by_tagname("informaltable");
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print_r($elements);
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$element = $elements[0];
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$parent = $element->parent_node();
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$newnode = $parent->append_child($element);
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$children = $newnode->children();
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$attr = $children[1]->set_attribute("align", "left");
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echo "<pre>";
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$xmlfile = $dom->dump_mem();
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echo htmlentities($xmlfile);
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echo "</pre>";
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?>
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]]>
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</programlisting>
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</example>
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The above example could also be done with
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<function>domnode_insert_before</function> instead of
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<function>domnode_append_child</function>.
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</para>
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<para>
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See also <function>domnode_insert_before</function>, and
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<function>domnode_clone_node</function>.
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</para>
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</refsect1>
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</refentry>
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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:"../../../../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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