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function.array-unshift.html
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function.array-unshift.html
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<HTML
><HEAD
><TITLE
>array_unshift</TITLE
><META
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CONTENT="Modular DocBook HTML Stylesheet Version 1.57"><LINK
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><H1
><A
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>array_unshift</A
></H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN4998"
></A
><P
> (PHP4 )</P
>array_unshift --
Push one or more elements onto the beginning of array
</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN5001"
></A
><H2
>Description</H2
><DIV
CLASS="funcsynopsis"
><A
NAME="AEN5003"
></A
><P
></P
><P
><CODE
><CODE
CLASS="FUNCDEF"
>int <B
CLASS="function"
>array_unshift</B
></CODE
> (array array, mixed var [, mixed
...])</CODE
></P
><P
></P
></DIV
><P
> <B
CLASS="function"
>Array_unshift()</B
> prepends passed elements to
the front of the <TT
CLASS="parameter"
><I
>array</I
></TT
>. Note that the list
of elements is prepended as a whole, so that the prepended
elements stay in the same order.
</P
><P
> Returns the new number of elements in the
<TT
CLASS="parameter"
><I
>array</I
></TT
>.
</P
><P
> <TABLE
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><DIV
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><A
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></A
><P
><B
>Example 1. <B
CLASS="function"
>Array_unshift()</B
> example</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="programlisting"
> $queue = array ("p1", "p3");
array_unshift ($queue, "p4", "p5", "p6");
</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
</P
><P
> This would result in <TT
CLASS="varname"
>$queue</TT
> having 5
elements: "p4", "p5", "p6", "p1", and "p3".
</P
><P
> See also <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
>, and
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HREF="function.array-pop.html"
><B
CLASS="function"
>array_pop()</B
></A
>.
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