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

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>substr_compare</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="String 字符串处理函数"
HREF="ref.strings.html"><LINK
REL="PREVIOUS"
TITLE="strtr"
HREF="function.strtr.html"><LINK
REL="NEXT"
TITLE="substr_count"
HREF="function.substr-count.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.strtr.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.substr-count.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="function.substr-compare"
></A
>substr_compare</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN228407"
></A
><P
>    (PHP 5)</P
>substr_compare&nbsp;--&nbsp;
     Binary safe optionally case insensitive comparison of 2 strings from an offset, up to length characters
    </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN228410"
></A
><H2
>Description</H2
>int <B
CLASS="methodname"
>substr_compare</B
> ( string main_str, string str, int offset [, int length [, bool case_insensitivity]] )<BR
></BR
><P
>&#13;     <B
CLASS="function"
>substr_compare()</B
> compares <CODE
CLASS="parameter"
>main_str</CODE
>
     from position <CODE
CLASS="parameter"
>offset</CODE
> with <CODE
CLASS="parameter"
>str</CODE
>
     up to <CODE
CLASS="parameter"
>length</CODE
> characters.
    </P
><P
>&#13;     Returns &#60; 0 if <CODE
CLASS="parameter"
>main_str</CODE
> from position
     <CODE
CLASS="parameter"
>offset</CODE
> is less than <CODE
CLASS="parameter"
>str</CODE
>, &#62;
     0 if it is greater than <CODE
CLASS="parameter"
>str</CODE
>, and 0 if they are equal.
     If <CODE
CLASS="parameter"
>length</CODE
> is equal or greater than length of
     <CODE
CLASS="parameter"
>main_str</CODE
> and <CODE
CLASS="parameter"
>length</CODE
> is set,
     <B
CLASS="function"
>substr_compare()</B
> prints warning and returns <TT
CLASS="constant"
><B
>FALSE</B
></TT
>.
    </P
><P
>&#13;     If <CODE
CLASS="parameter"
>case_insensitivity</CODE
> is <TT
CLASS="constant"
><B
>TRUE</B
></TT
>, comparison is case
     insensitive.
    </P
><P
>&#13;     <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN228450"
></A
><P
><B
>例 1. A <B
CLASS="function"
>substr_compare()</B
> example</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">echo </font><font color="#0000BB">substr_compare</font><font color="#007700">(</font><font color="#DD0000">"abcde"</font><font color="#007700">, </font><font color="#DD0000">"bc"</font><font color="#007700">, </font><font color="#0000BB">1</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">); </font><font color="#FF8000">// 0<br /></font><font color="#007700">echo </font><font color="#0000BB">substr_compare</font><font color="#007700">(</font><font color="#DD0000">"abcde"</font><font color="#007700">, </font><font color="#DD0000">"bcg"</font><font color="#007700">, </font><font color="#0000BB">1</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">); </font><font color="#FF8000">// 0<br /></font><font color="#007700">echo </font><font color="#0000BB">substr_compare</font><font color="#007700">(</font><font color="#DD0000">"abcde"</font><font color="#007700">, </font><font color="#DD0000">"BC"</font><font color="#007700">, </font><font color="#0000BB">1</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">, </font><font color="#0000BB">true</font><font color="#007700">); </font><font color="#FF8000">// 0<br /></font><font color="#007700">echo </font><font color="#0000BB">substr_compare</font><font color="#007700">(</font><font color="#DD0000">"abcde"</font><font color="#007700">, </font><font color="#DD0000">"bc"</font><font color="#007700">, </font><font color="#0000BB">1</font><font color="#007700">, </font><font color="#0000BB">3</font><font color="#007700">); </font><font color="#FF8000">// 1<br /></font><font color="#007700">echo </font><font color="#0000BB">substr_compare</font><font color="#007700">(</font><font color="#DD0000">"abcde"</font><font color="#007700">, </font><font color="#DD0000">"cd"</font><font color="#007700">, </font><font color="#0000BB">1</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">); </font><font color="#FF8000">// -1<br /></font><font color="#007700">echo </font><font color="#0000BB">substr_compare</font><font color="#007700">(</font><font color="#DD0000">"abcde"</font><font color="#007700">, </font><font color="#DD0000">"abc"</font><font color="#007700">, </font><font color="#0000BB">5</font><font color="#007700">, </font><font color="#0000BB">1</font><font color="#007700">); </font><font color="#FF8000">// warning<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
    </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.strtr.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.substr-count.html"
ACCESSKEY="N"
>下一页</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>strtr</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="ref.strings.html"
ACCESSKEY="U"
>上一级</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>substr_count</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>