Sophie: php-manual-zh-5.2.4-1mdv2008.1 noarch

php-manual-zh-5.2.4-1mdv2008.1.noarch.rpm

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>Unicode Functions</TITLE
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><H1
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>CLXVIII. Unicode Functions</H1
><DIV
CLASS="PARTINTRO"
><A
NAME="AEN235414"
></A
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="unicode.intro"
>简介</A
></H1
><P
>&#13;    Unicode Support. 
   </P
><DIV
CLASS="warning"
><P
></P
><TABLE
CLASS="warning"
BORDER="1"
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><TR
><TD
ALIGN="CENTER"
><B
>警告</B
></TD
></TR
><TR
><TD
ALIGN="LEFT"
><P
>&#13;     This extension is still in development and it isn't available to public yet.
    </P
></TD
></TR
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></DIV
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="unicode.requirements"
>需求</A
></H1
><P
>&#13;    <A
HREF="http://icu.sourceforge.net/"
TARGET="_top"
>ICU</A
> 3.4 or later is required.
   </P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="unicode.installation"
>安装</A
></H1
><P
>&#13;  First you should download and install ICU:
  <TABLE
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN235427"
></A
><P
><B
>例 1. install ICU on Unix</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="shell"
>./configure --disable-threads --enable-extras --enable-icuio --enable-layout
make &#38;&#38; make install</PRE
></TD
></TR
></TABLE
></DIV
></TD
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></TABLE
>
 </P
><P
>&#13;  Then checkout latest PHP and configure it <CODE
CLASS="option"
>--with-icu-dir=&#60;dir&#62;</CODE
> option, where
  &#60;dir&#62; was the dir to where you installed ICU. You don't need to
  explicitly use this option if you install ICU to a standard location.
 </P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="unicode.configuration"
>运行时配置</A
></H1
><P
>这些函数的行为受 <TT
CLASS="filename"
>php.ini</TT
> 的影响。</P
><P
>&#13;  <DIV
CLASS="table"
><A
NAME="AEN235437"
></A
><P
><B
>表 1. Unicode Configuration Options</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><COL><COL><THEAD
><TR
><TH
>Name</TH
><TH
>Default</TH
><TH
>Changeable</TH
><TH
>Changelog</TH
></TR
></THEAD
><TBODY
><TR
><TD
>unicode.fallback_encoding</TD
><TD
>NULL</TD
><TD
>PHP_INI_ALL</TD
><TD
>Available since PHP 6.0.0.</TD
></TR
><TR
><TD
>unicode.from_error_mode</TD
><TD
>"2"</TD
><TD
>PHP_INI_ALL</TD
><TD
>Available since PHP 6.0.0.</TD
></TR
><TR
><TD
>unicode.from_error_subst_char</TD
><TD
>"3f"</TD
><TD
>PHP_INI_ALL</TD
><TD
>Available since PHP 6.0.0.</TD
></TR
><TR
><TD
>unicode.http_input_encoding</TD
><TD
>NULL</TD
><TD
>PHP_INI_ALL</TD
><TD
>Available since PHP 6.0.0.</TD
></TR
><TR
><TD
>unicode.output_encoding</TD
><TD
>NULL</TD
><TD
>PHP_INI_ALL</TD
><TD
>Available since PHP 6.0.0.</TD
></TR
><TR
><TD
>unicode.runtime_encoding</TD
><TD
>NULL</TD
><TD
>PHP_INI_ALL</TD
><TD
>Available since PHP 6.0.0.</TD
></TR
><TR
><TD
>unicode.script_encoding</TD
><TD
>NULL</TD
><TD
>PHP_INI_ALL</TD
><TD
>Available since PHP 6.0.0.</TD
></TR
><TR
><TD
>unicode.semantics</TD
><TD
>off</TD
><TD
>PHP_INI_PERDIR</TD
><TD
>Available since PHP 6.0.0.</TD
></TR
></TBODY
></TABLE
></DIV
>
  有关 PHP_INI_* 常量进一步的细节与定义参见<A
HREF="ini.html"
>附录 H</A
>。
 </P
><P
>以下是配置选项的简要解释。</P
><P
>&#13;  <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><A
NAME="ini.unicode.output-encoding"
></A
><CODE
CLASS="parameter"
>unicode.output_encoding</CODE
>
     <A
HREF="language.types.string.html"
><B
CLASS="type"
>string</B
></A
></DT
><DD
><P
>&#13;      Default encoding for output.
     </P
></DD
></DL
></DIV
>
 </P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="unicode.constants"
>预定义常量</A
></H1
><P
>以下常量由本扩展模块定义，因此只有在本扩展模块被编译到
PHP 中，或者在运行时被动态加载后才有效。</P
><P
>&#13;  <DIV
CLASS="table"
><A
NAME="AEN235501"
></A
><P
><B
>表 2. </B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><COL><THEAD
><TR
><TH
>constant</TH
><TH
>value</TH
><TH
>description</TH
></TR
></THEAD
><TBODY
><TR
><TD
>U_INVALID_STOP</TD
><TD
>0</TD
><TD
>stop at first invalid character</TD
></TR
><TR
><TD
>U_INVALID_SKIP</TD
><TD
>1</TD
><TD
>skip invalid characters</TD
></TR
><TR
><TD
>U_INVALID_SUBSTITUTE</TD
><TD
>2</TD
><TD
>replace invalid characters</TD
></TR
><TR
><TD
>U_INVALID_ESCAPE</TD
><TD
>3</TD
><TD
>escape invalid characters</TD
></TR
></TBODY
></TABLE
></DIV
>
 </P
></DIV
></DIV
><DIV
CLASS="TOC"
><DL
><DT
><B
>目录</B
></DT
><DT
><A
HREF="function.unicode-encode.html"
>unicode_encode</A
>&nbsp;--&nbsp;Set encoding of a unicode string</DT
><DT
><A
HREF="function.unicode-semantics.html"
>unicode_semantics</A
>&nbsp;--&nbsp;Check whether unicode semantics is enabled</DT
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