doc-en/reference/dom/domdocument/createattributens.xml

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<refentry xml:id="domdocument.createattributens" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>DOMDocument::createAttributeNS</refname>
  <refpurpose>
   Create new attribute node with an associated namespace
  </refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis role="DOMDocument">
   <modifier>public</modifier> <type class="union"><type>DOMAttr</type><type>false</type></type><methodname>DOMDocument::createAttributeNS</methodname>
   <methodparam><type class="union"><type>string</type><type>null</type></type><parameter>namespace</parameter></methodparam>
   <methodparam><type>string</type><parameter>qualifiedName</parameter></methodparam>
  </methodsynopsis>
  <para>
   This function creates a new instance of class
   <classname>DOMAttr</classname>. &dom.node.inserted;
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>namespace</parameter></term>
     <listitem>
      <para>
       The URI of the namespace.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>qualifiedName</parameter></term>
     <listitem>
      <para>
       The tag name and prefix of the attribute, as <literal>prefix:tagname</literal>.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   The new <classname>DOMAttr</classname> or &false; if an error occurred.
  </para>
 </refsect1>
 <refsect1 role="errors">
  &reftitle.errors;
  <para>
   <variablelist>
    <varlistentry>
     <term><constant>DOM_INVALID_CHARACTER_ERR</constant></term>
     <listitem>
      <para>
       Raised if <parameter>qualifiedName</parameter> contains an invalid character.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><constant>DOM_NAMESPACE_ERR</constant></term>
     <listitem>
      <para>
       Raised if <parameter>qualifiedName</parameter> is a malformed qualified
       name, or if <parameter>qualifiedName</parameter> has a prefix and 
       <parameter>namespace</parameter> is &null;.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     <row>
      <entry>8.3.0</entry>
      <entry>
       Calling this method without specifying a prefix will now choose a prefix instead of assuming the default namespace.
       Previously this would create an attribute without a prefix and incorrectly apply the namespace
       to the owner element because default namespaces don't apply on attributes.
      </entry>
     </row>
     <row>
      <entry>8.3.0</entry>
      <entry>
       Calling this method using a prefix that was already declared on the owner element with a different namespace URI
       will now change the new prefix to avoid creating namespace conflicts. This aligns the behaviour with the DOM specification.
       Previously this threw a <classname>DOMException</classname> with code <constant>DOM_NAMESPACE_ERR</constant>.
      </entry>
     </row>
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>DOMNode::appendChild</methodname></member>
    <member><methodname>DOMDocument::createAttribute</methodname></member>
    <member><methodname>DOMDocument::createCDATASection</methodname></member>
    <member><methodname>DOMDocument::createComment</methodname></member>
    <member><methodname>DOMDocument::createDocumentFragment</methodname></member>
    <member><methodname>DOMDocument::createElement</methodname></member>
    <member><methodname>DOMDocument::createElementNS</methodname></member>
    <member><methodname>DOMDocument::createEntityReference</methodname></member>
    <member><methodname>DOMDocument::createProcessingInstruction</methodname></member>
    <member><methodname>DOMDocument::createTextNode</methodname></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>
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