<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >ftell</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="Filesystem (Sistema de arquivos)" HREF="ref.filesystem.html"><LINK REL="PREVIOUS" TITLE="fstat" HREF="function.fstat.html"><LINK REL="NEXT" TITLE="ftruncate" HREF="function.ftruncate.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.fstat.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.ftruncate.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ftell" ></A >ftell</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN49716" ></A ><P > (PHP 3, PHP 4, PHP 5)</P >ftell -- Retorna a posição de leitura/gravação do ponteiro do arquivo</DIV ><DIV CLASS="refsect1" ><A NAME="AEN49719" ></A ><H2 >Descrição</H2 >int <B CLASS="methodname" >ftell</B > ( resource handle )<BR ></BR ><P > Retorna a posição do ponteiro de arquivo referenciado por por <CODE CLASS="parameter" >handle</CODE >. Por exemplo, retorna a posição em um stream de arquivo. </P ><P > Se um error ocorrer, retorna <TT CLASS="constant" ><B >FALSE</B ></TT >. </P ><P > O ponteiro de arquivo tem que ser válidoe apontar para um arquivo aberto com sucesso por <A HREF="function.fopen.html" ><B CLASS="function" >fopen()</B ></A > ou <A HREF="function.popen.html" ><B CLASS="function" >popen()</B ></A >. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN49735" ></A ><P ><B >Exemplo 1. Exemplo de <B CLASS="function" >ftell()</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">// abre o arquivo e lê alguns dados<br /></font><font color="#0000BB">$fp </font><font color="#007700">= </font><font color="#0000BB">fopen</font><font color="#007700">(</font><font color="#DD0000">"/etc/passwd"</font><font color="#007700">, </font><font color="#DD0000">"r"</font><font color="#007700">);<br /></font><font color="#0000BB">$data </font><font color="#007700">= </font><font color="#0000BB">fgets</font><font color="#007700">(</font><font color="#0000BB">$fp</font><font color="#007700">, </font><font color="#0000BB">12</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// onde nós estamos ?<br /></font><font color="#007700">echo </font><font color="#0000BB">ftell</font><font color="#007700">(</font><font color="#0000BB">$fp</font><font color="#007700">); </font><font color="#FF8000">// 11<br /><br /></font><font color="#0000BB">fclose</font><font color="#007700">(</font><font color="#0000BB">$fp</font><font color="#007700">);<br /><br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > Veja também <A HREF="function.fopen.html" ><B CLASS="function" >fopen()</B ></A >, <A HREF="function.popen.html" ><B CLASS="function" >popen()</B ></A >, <A HREF="function.fseek.html" ><B CLASS="function" >fseek()</B ></A > e <A HREF="function.rewind.html" ><B CLASS="function" >rewind()</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.fstat.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.ftruncate.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >fstat</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.filesystem.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ftruncate</TD ></TR ></TABLE ></DIV ></BODY ></HTML >