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>array_unshift</H1
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>    (PHP 4, PHP 5)</P
>array_unshift&nbsp;--&nbsp;
     在数组开头插入一个或多个单元
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>说明</H2
>int <B
CLASS="methodname"
>array_unshift</B
> ( array &#38;array, mixed var [, mixed ...] )<BR
></BR
><P
>&#13;     <B
CLASS="function"
>array_unshift()</B
> 将传入的单元插入到
     <CODE
CLASS="parameter"
>array</CODE
> 数组的开头。注意单元是作为整体被插入的,因此传入单元将保持同样的顺序。所有的数值键名将修改为从零开始重新计数,所有的文字键名保持不变。
    </P
><P
>&#13;     返回 <CODE
CLASS="parameter"
>array</CODE
> 数组新的单元数目。
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>例 1. <B
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>array_unshift()</B
> 例子</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$queue </font><font color="#007700">= array(</font><font color="#DD0000">"orange"</font><font color="#007700">, </font><font color="#DD0000">"banana"</font><font color="#007700">);<br /></font><font color="#0000BB">array_unshift</font><font color="#007700">(</font><font color="#0000BB">$queue</font><font color="#007700">, </font><font color="#DD0000">"apple"</font><font color="#007700">, </font><font color="#DD0000">"raspberry"</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
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>&#13;       这将使 <CODE
CLASS="varname"
>$queue</CODE
> 包含如下单元:
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><code><font color="#000000">
Array<br />(<br />&nbsp;&nbsp;&nbsp;&nbsp;[0] =&gt; apple<br />&nbsp;&nbsp;&nbsp;&nbsp;[1] =&gt; raspberry<br />&nbsp;&nbsp;&nbsp;&nbsp;[2] =&gt; orange<br />&nbsp;&nbsp;&nbsp;&nbsp;[3] =&gt; banana<br />)</font>
</code></TD
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>
    </P
><P
>&#13;     参见 <A
HREF="function.array-shift.html"
><B
CLASS="function"
>array_shift()</B
></A
>,<A
HREF="function.array-push.html"
><B
CLASS="function"
>array_push()</B
></A
>
     和 <A
HREF="function.array-pop.html"
><B
CLASS="function"
>array_pop()</B
></A
>。
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