<HTML ><HEAD ><TITLE >mb_strpos</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Manual de PHP" HREF="index.html"><LINK REL="UP" TITLE="Multi-Byte String Functions" HREF="ref.mbstring.html"><LINK REL="PREVIOUS" TITLE="mb_strlen" HREF="function.mb-strlen.html"><LINK REL="NEXT" TITLE="mb_strrpos" HREF="function.mb-strrpos.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></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 de PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.mb-strlen.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.mb-strrpos.html" ACCESSKEY="N" >Siguiente</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.mb-strpos" ></A >mb_strpos</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN37293" ></A ><P > (PHP 4 >= 4.0.6)</P >mb_strpos -- Find position of first occurrence of string in a string </DIV ><DIV CLASS="refsect1" ><A NAME="AEN37296" ></A ><H2 >Description</H2 >int <B CLASS="methodname" >mb_strpos</B > ( string haystack, string needle [, int offset [, string encoding]])<BR ></BR ><P > <B CLASS="function" >mb_strpos()</B > returns the numeric position of the first occurrence of <TT CLASS="parameter" ><I >needle</I ></TT > in the <TT CLASS="parameter" ><I >haystack</I ></TT > string. If <TT CLASS="parameter" ><I >needle</I ></TT > is not found, it returns <TT CLASS="constant" ><B >FALSE</B ></TT >. </P ><P > <B CLASS="function" >mb_strpos()</B > performs multi-byte safe <A HREF="function.strpos.html" ><B CLASS="function" >strpos()</B ></A > operation based on number of characters. <TT CLASS="parameter" ><I >needle</I ></TT > position is counted from the beginning of the <TT CLASS="parameter" ><I >haystack</I ></TT >. First character's position is 0. Second character position is 1, and so on. </P ><P > If <TT CLASS="parameter" ><I >encoding</I ></TT > is omitted, internal character encoding is used. <A HREF="function.mb-strrpos.html" ><B CLASS="function" >mb_strrpos()</B ></A > accepts <TT CLASS="literal" >string</TT > for <TT CLASS="parameter" ><I >needle</I ></TT > where <A HREF="function.strrpos.html" ><B CLASS="function" >strrpos()</B ></A > accepts only character. </P ><P > <TT CLASS="parameter" ><I >offset</I ></TT > is search offset. If it is not specified, 0 is used. </P ><P > <TT CLASS="parameter" ><I >encoding</I ></TT > is character encoding name. If it is omitted, internal character encoding is used. </P ><P > See also <B CLASS="function" >mb_strpos()</B >, <A HREF="function.mb-internal-encoding.html" ><B CLASS="function" >mb_internal_encoding()</B ></A >, <A HREF="function.strpos.html" ><B CLASS="function" >strpos()</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.mb-strlen.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Inicio</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.mb-strrpos.html" ACCESSKEY="N" >Siguiente</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >mb_strlen</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.mbstring.html" ACCESSKEY="U" >Subir</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >mb_strrpos</TD ></TR ></TABLE ></DIV ></BODY ></HTML >