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>variant_cmp</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN22562"
></A
><P
>    (PHP 5)</P
>variant_cmp&nbsp;--&nbsp;
     Compares two variants
    </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN22565"
></A
><H2
>Description</H2
>int <B
CLASS="methodname"
>variant_cmp</B
> ( mixed left, mixed right [, int lcid [, int flags]] )<BR
></BR
><P
>&#13;     Compares <CODE
CLASS="parameter"
>left</CODE
> with <CODE
CLASS="parameter"
>right</CODE
>
     and returns one of the following values:

     <DIV
CLASS="table"
><A
NAME="AEN22585"
></A
><P
><B
>表 1. Variant Comparision Results</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><THEAD
><TR
><TH
>value</TH
><TH
>meaning</TH
></TR
></THEAD
><TBODY
><TR
><TD
><TT
CLASS="constant"
><B
>VARCMP_LT</B
></TT
></TD
><TD
><CODE
CLASS="parameter"
>left</CODE
> is less than
         <CODE
CLASS="parameter"
>right</CODE
>
        </TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>VARCMP_EQ</B
></TT
></TD
><TD
><CODE
CLASS="parameter"
>left</CODE
> is equal to
         <CODE
CLASS="parameter"
>right</CODE
>
        </TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>VARCMP_GT</B
></TT
></TD
><TD
><CODE
CLASS="parameter"
>left</CODE
> is greater than
         <CODE
CLASS="parameter"
>right</CODE
>
        </TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>VARCMP_NULL</B
></TT
></TD
><TD
>Either <CODE
CLASS="parameter"
>left</CODE
>,
         <CODE
CLASS="parameter"
>right</CODE
> or both are <TT
CLASS="constant"
><B
>NULL</B
></TT
>
        </TD
></TR
></TBODY
></TABLE
></DIV
>
   </P
><P
>&#13;    This function will only compare scalar values, not arrays or variant records.
   </P
><P
>&#13;    <CODE
CLASS="parameter"
>lcid</CODE
> is a valid Locale Identifier to use when
    comparing strings (this affects string collation).
    <CODE
CLASS="parameter"
>flags</CODE
> can be one or more of the following values
    OR'd together, and affects string comparisons:

     <DIV
CLASS="table"
><A
NAME="AEN22622"
></A
><P
><B
>表 2. Variant Comparision Flags</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><THEAD
><TR
><TH
>value</TH
><TH
>meaning</TH
></TR
></THEAD
><TBODY
><TR
><TD
><TT
CLASS="constant"
><B
>NORM_IGNORECASE</B
></TT
></TD
><TD
>Compare case insensitively</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>NORM_IGNORENONSPACE</B
></TT
></TD
><TD
>Ignore nonspacing characters</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>NORM_IGNORESYMBOLS</B
></TT
></TD
><TD
>Ignore symbols</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>NORM_IGNOREWIDTH</B
></TT
></TD
><TD
>Ignore string width</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>NORM_IGNOREKANATYPE</B
></TT
></TD
><TD
>Ignore Kana type</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>NORM_IGNOREKASHIDA</B
></TT
></TD
><TD
>Ignore Arabic kashida characters</TD
></TR
></TBODY
></TABLE
></DIV
>
   </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
  对于所有的变量算法函数，此函数的参数可以要么是 PHP
  自身的类型（整型，字符串，浮点型，布尔型或者
  <TT
CLASS="constant"
><B
>NULL</B
></TT
>），要么是一个 COM，VARIANT 或 DOTNET 类的实例。PHP
  自身类型将被转换为变量，使用与 <A
HREF="class.variant.html"
>VARIANT</A
>
  类的构造函数中相同的规则。COM 和 DOTNET 对象将具有其默认属性的值，取得并作为变量值使用。
 </P
><P
>&#13;  变量算法函数是 COM 库中与其名称接近的函数的封装。此类函数的更多信息请参考
  MSDN 库。PHP 函数命名有少许不同，例如 PHP 中的
  variant_add() 对应于 MSDN 文档中的 VarAdd()。
 </P
></BLOCKQUOTE
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