<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >DomElement->has_attribute()</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Manual do PHP" HREF="index.html"><LINK REL="UP" TITLE="DOM XML Functions" HREF="ref.domxml.html"><LINK REL="PREVIOUS" TITLE="DomElement->get_elements_by_tagname()" HREF="function.domelement-get-elements-by-tagname.html"><LINK REL="NEXT" TITLE="DomElement->remove_attribute()" HREF="function.domelement-remove-attribute.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Manual do PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.domelement-get-elements-by-tagname.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.domelement-remove-attribute.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.domelement-has-attribute" ></A >DomElement->has_attribute()</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN41128" ></A ><P > (no version information, might be only in CVS)</P >DomElement->has_attribute() -- Checks to see if an attribute exists in the current node </DIV ><DIV CLASS="refsect1" ><A NAME="AEN41131" ></A ><H2 >Descrição</H2 >class <B CLASS="classname" >DomElement</B > { <BR ></BR >bool <B CLASS="methodname" >has_attribute</B > ( string name )<BR ></BR >}<P > This functions checks to see if an attribute named <CODE CLASS="parameter" >name</CODE > exists in the current node. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN41144" ></A ><H2 >Parâmetros</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >name</CODE ></DT ><DD ><P > The name of the tested attribute. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN41153" ></A ><H2 >Valores de retornado</H2 ><P > Returns <TT CLASS="constant" ><B >TRUE</B ></TT > if the asked attribute exists, <TT CLASS="constant" ><B >FALSE</B ></TT > otherwise. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN41158" ></A ><H2 >Exemplos</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN41161" ></A ><P ><B >Exemplo 1. Testing the existence of an attribute</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /><br /></font><font color="#007700">include(</font><font color="#DD0000">"example.inc"</font><font color="#007700">);<br /><br />if (!</font><font color="#0000BB">$dom </font><font color="#007700">= </font><font color="#0000BB">domxml_open_mem</font><font color="#007700">(</font><font color="#0000BB">$xmlstr</font><font color="#007700">)) {<br /> echo </font><font color="#DD0000">"Error while parsing the document\n"</font><font color="#007700">;<br /> exit;<br />}<br /><br /></font><font color="#0000BB">$root </font><font color="#007700">= </font><font color="#0000BB">$dom</font><font color="#007700">-></font><font color="#0000BB">document_element</font><font color="#007700">();<br /><br /></font><font color="#0000BB">$buffer </font><font color="#007700">= </font><font color="#DD0000">'<html'</font><font color="#007700">;<br />if (</font><font color="#0000BB">$root</font><font color="#007700">-></font><font color="#0000BB">has_attribute</font><font color="#007700">(</font><font color="#DD0000">'language'</font><font color="#007700">)) {<br /> </font><font color="#0000BB">$buffer </font><font color="#007700">.= </font><font color="#DD0000">'lang="' </font><font color="#007700">. </font><font color="#0000BB">$root</font><font color="#007700">-></font><font color="#0000BB">get_attribute</font><font color="#007700">(</font><font color="#DD0000">'language'</font><font color="#007700">) . </font><font color="#DD0000">'"'</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">$buffer </font><font color="#007700">.= </font><font color="#DD0000">'>'</font><font color="#007700">;<br /><br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN41164" ></A ><H2 >Migrating to PHP 5</H2 ><P > Use <A HREF="function.dom-domelement-hasattribute.html" >DOMElement->hasAttribute()</A >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.domelement-get-elements-by-tagname.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Principal</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.domelement-remove-attribute.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >DomElement->get_elements_by_tagname()</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.domxml.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >DomElement->remove_attribute()</TD ></TR ></TABLE ></DIV ></BODY ></HTML >