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

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

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>strlen</H1
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><P
>    (PHP 3, PHP 4, PHP 5)</P
>strlen&nbsp;--&nbsp;Get string length</DIV
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CLASS="refsect1"
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NAME="AEN227751"
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><H2
>说明</H2
>int <B
CLASS="methodname"
>strlen</B
> ( string string )<BR
></BR
><P
>&#13;   Returns the length of the given <CODE
CLASS="parameter"
>string</CODE
>.
  </P
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><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>string</CODE
></DT
><DD
><P
>&#13;       The <A
HREF="language.types.string.html"
><B
CLASS="type"
>string</B
></A
> being measured for length.
      </P
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>
  </P
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><H2
>返回值</H2
><P
>&#13;   The length of the <CODE
CLASS="parameter"
>string</CODE
> on success, 
   and <TT
CLASS="literal"
>0</TT
> if the <CODE
CLASS="parameter"
>string</CODE
> is empty.
  </P
></DIV
><DIV
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><H2
>范例</H2
><P
>&#13;   <TABLE
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><B
>例 1. A <B
CLASS="function"
>strlen()</B
> example</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$str </font><font color="#007700">= </font><font color="#DD0000">'abcdef'</font><font color="#007700">;<br />echo </font><font color="#0000BB">strlen</font><font color="#007700">(</font><font color="#0000BB">$str</font><font color="#007700">); </font><font color="#FF8000">// 6<br /><br /></font><font color="#0000BB">$str </font><font color="#007700">= </font><font color="#DD0000">' ab cd '</font><font color="#007700">;<br />echo </font><font color="#0000BB">strlen</font><font color="#007700">(</font><font color="#0000BB">$str</font><font color="#007700">); </font><font color="#FF8000">// 7<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
  </P
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><H2
>参见</H2
><P
>&#13;   <P
></P
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><A
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><B
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>count()</B
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>mb_strlen()</B
></A
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