<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >usleep</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="Miscelânea" HREF="ref.misc.html"><LINK REL="PREVIOUS" TITLE="unpack" HREF="function.unpack.html"><LINK REL="NEXT" TITLE="mnoGoSearch Functions" HREF="ref.mnogosearch.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.unpack.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="ref.mnogosearch.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.usleep" ></A >usleep</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN122074" ></A ><P > (PHP 3, PHP 4, PHP 5)</P >usleep -- Atrasa a execução em milionésimos de segundo</DIV ><DIV CLASS="refsect1" ><A NAME="AEN122077" ></A ><H2 >Descrição</H2 >void <B CLASS="methodname" >usleep</B > ( int micro_seconds )<BR ></BR ><P > A função <B CLASS="function" >usleep()</B > atrasa a execução do programa para o número dado no parâmetro <CODE CLASS="parameter" >micro_seconds</CODE > em milionésimos de segundo. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN122089" ></A ><P ><B >Exemplo 1. Exemplo <B CLASS="function" >usleep()</B ></B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /><br /> <br /><br /></font><font color="#FF8000">// hora atual<br /><br /></font><font color="#007700">echo </font><font color="#0000BB">date</font><font color="#007700">(</font><font color="#DD0000">'h:i:s'</font><font color="#007700">) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /><br /> <br /><br /></font><font color="#FF8000">// espera dois segundos<br /><br /></font><font color="#0000BB">usleep</font><font color="#007700">(</font><font color="#0000BB">2000000</font><font color="#007700">);<br /><br /> <br /><br /></font><font color="#FF8000">// de volta!<br /><br /></font><font color="#007700">echo </font><font color="#0000BB">date</font><font color="#007700">(</font><font color="#DD0000">'h:i:s'</font><font color="#007700">) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /><br /> <br /><br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P > Este script irá mostrar: </P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >11:13:28 11:13:30</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >Nota: </B > Esta função não funciona em sistemas Windows até o PHP 5.0.0. </P ></BLOCKQUOTE ></DIV ><P > Veja também <A HREF="function.sleep.html" ><B CLASS="function" >sleep()</B ></A > e <A HREF="function.set-time-limit.html" ><B CLASS="function" >set_time_limit()</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.unpack.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="ref.mnogosearch.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >unpack</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.misc.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >mnoGoSearch Functions</TD ></TR ></TABLE ></DIV ></BODY ></HTML >