<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >iconv_strlen</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="iconv Functions" HREF="ref.iconv.html"><LINK REL="PREVIOUS" TITLE="iconv_set_encoding" HREF="function.iconv-set-encoding.html"><LINK REL="NEXT" TITLE="iconv_strpos" HREF="function.iconv-strpos.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" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.iconv-set-encoding.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.iconv-strpos.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.iconv-strlen" ></A >iconv_strlen</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN84789" ></A ><P > (PHP 5)</P >iconv_strlen -- Returns the character count of string</DIV ><DIV CLASS="refsect1" ><A NAME="AEN84792" ></A ><H2 >说明</H2 >int <B CLASS="methodname" >iconv_strlen</B > ( string str [, string charset] )<BR ></BR ><P > In contrast to <A HREF="function.strlen.html" ><B CLASS="function" >strlen()</B ></A >, <B CLASS="function" >iconv_strlen()</B > counts the occurrences of characters in the given byte sequence <CODE CLASS="parameter" >str</CODE > on the basis of the specified character set, the result of which is not necessarily identical to the length of the string in byte. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN84807" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >str</CODE ></DT ><DD ><P > The string. </P ></DD ><DT ><CODE CLASS="parameter" >charset</CODE ></DT ><DD ><P > If <CODE CLASS="parameter" >charset</CODE > parameter is omitted, <CODE CLASS="parameter" >str</CODE > is assumed to be encoded in <A HREF="ref.iconv.html#iconv.configuration" >iconv.internal_encoding</A >. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN84824" ></A ><H2 >返回值</H2 ><P > Returns the character count of <CODE CLASS="parameter" >str</CODE >, as an integer. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN84828" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.strlen.html" ><B CLASS="function" >strlen()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.mb-strlen.html" ><B CLASS="function" >mb_strlen()</B ></A ></TD ></TR ></TBODY ></TABLE ><P ></P > </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.iconv-set-encoding.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.iconv-strpos.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >iconv_set_encoding</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.iconv.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >iconv_strpos</TD ></TR ></TABLE ></DIV ></BODY ></HTML >