<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >memory_get_usage</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="PHP Opções e Informações" HREF="ref.info.html"><LINK REL="PREVIOUS" TITLE="memory_get_peak_usage" HREF="function.memory-get-peak-usage.html"><LINK REL="NEXT" TITLE="php_ini_scanned_files" HREF="function.php-ini-scanned-files.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.memory-get-peak-usage.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.php-ini-scanned-files.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.memory-get-usage" ></A >memory_get_usage</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN177855" ></A ><P > (PHP 4 >= 4.3.2, PHP 5)</P >memory_get_usage -- Retorna a quantidade de memória alocada para PHP</DIV ><DIV CLASS="refsect1" ><A NAME="AEN177858" ></A ><H2 >Descrição</H2 >int <B CLASS="methodname" >memory_get_usage</B > ( void )<BR ></BR ><P > Retorna a quantidade de memória, em bytes, que esta atualmente alocada para o seu script PHP. </P ><P > <B CLASS="function" >memory_get_usage()</B > será definida somente se o seu PHP for compilado com a opção de configuração <TT CLASS="literal" >--enable-memory-limit</TT >. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN177869" ></A ><P ><B >Exemplo 1. Exemplo <B CLASS="function" >memory_get_usage()</B ></B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#FF8000">// Este é apenas um exemplo, os números abaixo <br />// serão diferentes dependendo do seu sistema<br /><br /></font><font color="#007700">echo </font><font color="#0000BB">memory_get_usage</font><font color="#007700">() . </font><font color="#DD0000">"\n"</font><font color="#007700">; </font><font color="#FF8000">// 36640<br /><br /></font><font color="#0000BB">$a </font><font color="#007700">= </font><font color="#0000BB">str_repeat</font><font color="#007700">(</font><font color="#DD0000">"Hello"</font><font color="#007700">, </font><font color="#0000BB">4242</font><font color="#007700">);<br /><br />echo </font><font color="#0000BB">memory_get_usage</font><font color="#007700">() . </font><font color="#DD0000">"\n"</font><font color="#007700">; </font><font color="#FF8000">// 57960<br /><br /></font><font color="#007700">unset(</font><font color="#0000BB">$a</font><font color="#007700">);<br /><br />echo </font><font color="#0000BB">memory_get_usage</font><font color="#007700">() . </font><font color="#DD0000">"\n"</font><font color="#007700">; </font><font color="#FF8000">// 36744<br /><br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > Veja também <A HREF="ini.core.html#ini.memory-limit" >memory_limit</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.memory-get-peak-usage.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.php-ini-scanned-files.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >memory_get_peak_usage</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.info.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >php_ini_scanned_files</TD ></TR ></TABLE ></DIV ></BODY ></HTML >