<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >mb_strtoupper</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="Multibyte String Functions" HREF="ref.mbstring.html"><LINK REL="PREVIOUS" TITLE="mb_strtolower" HREF="function.mb-strtolower.html"><LINK REL="NEXT" TITLE="mb_strwidth" HREF="function.mb-strwidth.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.mb-strtolower.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.mb-strwidth.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.mb-strtoupper" ></A >mb_strtoupper</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN133980" ></A ><P > (PHP 4 >= 4.3.0, PHP 5)</P >mb_strtoupper -- Make a string uppercase</DIV ><DIV CLASS="refsect1" ><A NAME="AEN133983" ></A ><H2 >Description</H2 >string <B CLASS="methodname" >mb_strtoupper</B > ( string str [, string encoding] )<BR ></BR ><P > <B CLASS="function" >mb_strtoupper()</B > returns <CODE CLASS="parameter" >str</CODE > with all alphabetic characters converted to uppercase. </P ><P > <CODE CLASS="parameter" >encoding</CODE > specifies the encoding of <CODE CLASS="parameter" >str</CODE >; if omitted, the internal character encoding value will be used. </P ><P > By contrast to <A HREF="function.strtoupper.html" ><B CLASS="function" >strtoupper()</B ></A >, 'alphabetic' is determined by the Unicode character properties. Thus the behaviour of this function is not affected by locale settings and it can convert any characters that have 'alphabetic' property, such as a-umlaut (ä). </P ><P > For more information about the Unicode properties, please see <A HREF="http://www.unicode.org/unicode/reports/tr21/" TARGET="_top" >http://www.unicode.org/unicode/reports/tr21/</A >. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN134005" ></A ><P ><B >例 1. <B CLASS="function" >mb_strtoupper()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$str </font><font color="#007700">= </font><font color="#DD0000">"Mary Had A Little Lamb and She LOVED It So"</font><font color="#007700">;<br /></font><font color="#0000BB">$str </font><font color="#007700">= </font><font color="#0000BB">mb_strtoupper</font><font color="#007700">(</font><font color="#0000BB">$str</font><font color="#007700">);<br />echo </font><font color="#0000BB">$str</font><font color="#007700">; </font><font color="#FF8000">// Prints MARY HAD A LITTLE LAMB AND SHE LOVED IT SO<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > See also <A HREF="function.strtoupper.html" ><B CLASS="function" >strtoupper()</B ></A >, <A HREF="function.mb-strtolower.html" ><B CLASS="function" >mb_strtolower()</B ></A > and <A HREF="function.mb-convert-case.html" ><B CLASS="function" >mb_convert_case()</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-strtolower.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.mb-strwidth.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >mb_strtolower</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.mbstring.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >mb_strwidth</TD ></TR ></TABLE ></DIV ></BODY ></HTML >