<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >ob_list_handlers</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="Output Control(Controle de Saída)" HREF="ref.outcontrol.html"><LINK REL="PREVIOUS" TITLE="ob_implicit_flush" HREF="function.ob-implicit-flush.html"><LINK REL="NEXT" TITLE="ob_start" HREF="function.ob-start.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.ob-implicit-flush.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.ob-start.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ob-list-handlers" ></A >ob_list_handlers</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN161464" ></A ><P > (PHP 4 >= 4.3.0, PHP 5)</P >ob_list_handlers -- List all output handlers in use </DIV ><DIV CLASS="refsect1" ><A NAME="AEN161467" ></A ><H2 >Description</H2 >array <B CLASS="methodname" >ob_list_handlers</B > ( void )<BR ></BR ><P > This will return an array with the output handlers in use (if any). If <A HREF="ref.outcontrol.html#ini.output-buffering" >output_buffering</A > is enabled or an anonymous function was used with <A HREF="function.ob-start.html" ><B CLASS="function" >ob_start()</B ></A >, <B CLASS="function" >ob_list_handlers()</B > will return "default output handler". </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN161478" ></A ><P ><B >Exemplo 1. <B CLASS="function" >ob_list_handlers()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#FF8000">//using output_buffering=On<br /></font><font color="#0000BB">print_r</font><font color="#007700">(</font><font color="#0000BB">ob_list_handlers</font><font color="#007700">());<br /></font><font color="#0000BB">ob_end_flush</font><font color="#007700">();<br /><br /></font><font color="#0000BB">ob_start</font><font color="#007700">(</font><font color="#DD0000">"ob_gzhandler"</font><font color="#007700">);<br /></font><font color="#0000BB">print_r</font><font color="#007700">(</font><font color="#0000BB">ob_list_handlers</font><font color="#007700">());<br /></font><font color="#0000BB">ob_end_flush</font><font color="#007700">();<br /><br /></font><font color="#FF8000">// anonymous functions<br /></font><font color="#0000BB">ob_start</font><font color="#007700">(</font><font color="#0000BB">create_function</font><font color="#007700">(</font><font color="#DD0000">'$string'</font><font color="#007700">, </font><font color="#DD0000">'return $string;'</font><font color="#007700">));<br /></font><font color="#0000BB">print_r</font><font color="#007700">(</font><font color="#0000BB">ob_list_handlers</font><font color="#007700">());<br /></font><font color="#0000BB">ob_end_flush</font><font color="#007700">();<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P >O exemplo acima irá imprimir:</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >Array ( [0] => default output handler ) Array ( [0] => ob_gzhandler ) Array ( [0] => default output handler )</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > See also <A HREF="function.ob-end-clean.html" ><B CLASS="function" >ob_end_clean()</B ></A >, <A HREF="function.ob-end-flush.html" ><B CLASS="function" >ob_end_flush()</B ></A >, <A HREF="function.ob-get-flush.html" ><B CLASS="function" >ob_get_flush()</B ></A >, <A HREF="function.ob-start.html" ><B CLASS="function" >ob_start()</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.ob-implicit-flush.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.ob-start.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ob_implicit_flush</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.outcontrol.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ob_start</TD ></TR ></TABLE ></DIV ></BODY ></HTML >