<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >headers_list</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="Network - Funções de Rede" HREF="ref.network.html"><LINK REL="PREVIOUS" TITLE="header" HREF="function.header.html"><LINK REL="NEXT" TITLE="headers_sent" HREF="function.headers-sent.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.header.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.headers-sent.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.headers-list" ></A >headers_list</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN144180" ></A ><P > (PHP 5)</P >headers_list -- Returns a list of response headers sent (or ready to send)</DIV ><DIV CLASS="refsect1" ><A NAME="AEN144183" ></A ><H2 >Description</H2 >array <B CLASS="methodname" >headers_list</B > ( void )<BR ></BR ><P > <B CLASS="function" >headers_list()</B > will return a numerically indexed array of headers to be sent to the browser / client. To determine whether or not these headers have been sent yet, use <A HREF="function.headers-sent.html" ><B CLASS="function" >headers_sent()</B ></A >. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN144193" ></A ><P ><B >Exemplo 1. Examples using <B CLASS="function" >headers_list()</B ></B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /><br /></font><font color="#FF8000">/* setcookie() will add a response header on its own */<br /></font><font color="#0000BB">setcookie</font><font color="#007700">(</font><font color="#DD0000">'foo'</font><font color="#007700">, </font><font color="#DD0000">'bar'</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* Define a custom response header<br /> This will be ignored by most clients */<br /></font><font color="#0000BB">header</font><font color="#007700">(</font><font color="#DD0000">"X-Sample-Test: foo"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* Specify plain text content in our response */<br /></font><font color="#0000BB">header</font><font color="#007700">(</font><font color="#DD0000">'Content-type: text/plain'</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* What headers are going to be sent? */<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">headers_list</font><font color="#007700">());<br /><br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P > this will output : </P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >array(4) { [0]=> string(23) "X-Powered-By: PHP/5.1.3" [1]=> string(19) "Set-Cookie: foo=bar" [2]=> string(18) "X-Sample-Test: foo" [3]=> string(24) "Content-type: text/plain" }</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > See Also: <A HREF="function.headers-sent.html" ><B CLASS="function" >headers_sent()</B ></A >, <A HREF="function.header.html" ><B CLASS="function" >header()</B ></A >, and <A HREF="function.setcookie.html" ><B CLASS="function" >setcookie()</B ></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.header.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.headers-sent.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >header</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.network.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >headers_sent</TD ></TR ></TABLE ></DIV ></BODY ></HTML >