<HTML ><HEAD ><TITLE >ftell</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.44"><LINK REL="HOME" TITLE="PHP Manual" HREF="manual.html"><LINK REL="UP" TITLE="Filesystem functions" HREF="ref.filesystem.html"><LINK REL="PREVIOUS" TITLE="fseek" HREF="function.fseek.html"><LINK REL="NEXT" TITLE="fwrite" HREF="function.fwrite.html"></HEAD ><BODY BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.fseek.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.fwrite.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ftell" >ftell</A ></H1 ><DIV CLASS="refnamediv" ><A NAME="AEN8936" ></A >ftell -- Tell file pointer read/write position</DIV ><DIV CLASS="refsect1" ><A NAME="AEN8939" ></A ><H2 >Description</H2 ><DIV CLASS="funcsynopsis" ><P ></P ><CODE CLASS="FUNCDEF" >int ftell</CODE >(int fp);<P ></P ></DIV ><P > Returns the position of the file pointer referenced by fp; i.e., its offset into the file stream. </P ><P > If an error occurs, returns false. </P ><P > The file pointer must be valid, and must point to a file successfully opened by <A HREF="function.fopen.html" ><B CLASS="function" >fopen()</B ></A > or <A HREF="function.popen.html" ><B CLASS="function" >popen()</B ></A >. </P ><P > See also <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 > and <A HREF="function.rewind.html" ><B CLASS="function" >rewind()</B ></A >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.fseek.html" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="manual.html" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.fwrite.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >fseek</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.filesystem.html" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >fwrite</TD ></TR ></TABLE ></DIV ></BODY ></HTML >