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

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

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>array_reverse</H1
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><P
>    (PHP 4, PHP 5)</P
>array_reverse&nbsp;--&nbsp;
     返回一个单元顺序相反的数组
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>说明</H2
>array <B
CLASS="methodname"
>array_reverse</B
> ( array array [, bool preserve_keys] )<BR
></BR
><P
>&#13;     <B
CLASS="function"
>array_reverse()</B
> 接受数组
     <CODE
CLASS="parameter"
>array</CODE
> 作为输入并返回一个单元为相反顺序的新数组，如果
     <CODE
CLASS="parameter"
>preserve_keys</CODE
> 为 <TT
CLASS="constant"
><B
>TRUE</B
></TT
> 则保留原来的键名。
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>例 1. <B
CLASS="function"
>array_reverse()</B
> 例子</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$input&nbsp;&nbsp;</font><font color="#007700">= array(</font><font color="#DD0000">"php"</font><font color="#007700">, </font><font color="#0000BB">4.0</font><font color="#007700">, array(</font><font color="#DD0000">"green"</font><font color="#007700">, </font><font color="#DD0000">"red"</font><font color="#007700">));<br /></font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">array_reverse</font><font color="#007700">(</font><font color="#0000BB">$input</font><font color="#007700">);<br /></font><font color="#0000BB">$result_keyed </font><font color="#007700">= </font><font color="#0000BB">array_reverse</font><font color="#007700">(</font><font color="#0000BB">$input</font><font color="#007700">, </font><font color="#0000BB">TRUE</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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><P
>&#13;       这将使 <CODE
CLASS="varname"
>$result</CODE
> 和
       <CODE
CLASS="varname"
>$result_keyed</CODE
> 具有相同的单元，但是注意键名的区别。<CODE
CLASS="varname"
>$result</CODE
>
       和 <CODE
CLASS="varname"
>$result_keyed</CODE
> 的打印输出显示分别为：
      </P
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><code><font color="#000000">
Array<br />(<br />&nbsp;&nbsp;&nbsp;&nbsp;[0] =&gt; Array<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[0] =&gt; green<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[1] =&gt; red<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;[1] =&gt; 4<br />&nbsp;&nbsp;&nbsp;&nbsp;[2] =&gt; php<br />)<br />Array<br />(<br />&nbsp;&nbsp;&nbsp;&nbsp;[2] =&gt; Array<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[0] =&gt; green<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[1] =&gt; red<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;[1] =&gt; 4<br />&nbsp;&nbsp;&nbsp;&nbsp;[0] =&gt; php<br />)</font>
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><B
>注意: </B
>
      第二个参数是 PHP 4.0.3 中新加的。
     </P
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><P
>&#13;     参见 <A
HREF="function.array-flip.html"
><B
CLASS="function"
>array_flip()</B
></A
>。
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