<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >ArrayIterator::valid</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="Standard PHP Library (SPL) Functions" HREF="ref.spl.html"><LINK REL="PREVIOUS" TITLE="ArrayIterator::seek" HREF="function.arrayiterator-seek.html"><LINK REL="NEXT" TITLE="ArrayObject::append" HREF="function.arrayobject-append.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.arrayiterator-seek.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.arrayobject-append.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ArrayIterator-valid" ></A >ArrayIterator::valid</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN209310" ></A ><P > (no version information, might be only in CVS)</P >ArrayIterator::valid -- Check whether array contains more entries</DIV ><DIV CLASS="refsect1" ><A NAME="AEN209313" ></A ><H2 >Description</H2 >bool <B CLASS="methodname" >ArrayIterator::valid</B > ( void )<BR ></BR ><P > This function checks if the array contains any more entries. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN209321" ></A ><P ><B >Exemplo 1. <B CLASS="function" >ArrayIterator::valid()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$array </font><font color="#007700">= array(</font><font color="#DD0000">'1' </font><font color="#007700">=> </font><font color="#DD0000">'one'</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$arrayobject </font><font color="#007700">= new </font><font color="#0000BB">ArrayObject</font><font color="#007700">(</font><font color="#0000BB">$array</font><font color="#007700">);<br /></font><font color="#0000BB">$iterator </font><font color="#007700">= </font><font color="#0000BB">$arrayobject</font><font color="#007700">-></font><font color="#0000BB">getIterator</font><font color="#007700">();<br /><br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">$iterator</font><font color="#007700">-></font><font color="#0000BB">valid</font><font color="#007700">()); </font><font color="#FF8000">//bool(true)<br /><br /></font><font color="#0000BB">$iterator</font><font color="#007700">-></font><font color="#0000BB">next</font><font color="#007700">(); </font><font color="#FF8000">// advance to the next item<br /><br />//bool(false) because there is only one array element<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">$iterator</font><font color="#007700">-></font><font color="#0000BB">valid</font><font color="#007700">());<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </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.arrayiterator-seek.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.arrayobject-append.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ArrayIterator::seek</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.spl.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ArrayObject::append</TD ></TR ></TABLE ></DIV ></BODY ></HTML >