<?xml version="1.0" encoding="iso-8859-1"?>
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  <refentry id="function.array-unshift">
   <refnamediv>
    <refname>array_unshift</refname>
    <refpurpose>
     Prepend one or more elements to the beginning of an array
    </refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>int</type><methodname>array_unshift</methodname>
      <methodparam><type>array</type><parameter role="reference">array</parameter></methodparam>
      <methodparam><type>mixed</type><parameter>var</parameter></methodparam>
      <methodparam choice="opt"><type>mixed</type><parameter>...</parameter></methodparam>
     </methodsynopsis>
    <para>
     <function>array_unshift</function> prepends passed elements to
     the front of the <parameter>array</parameter>. Note that the list
     of elements is prepended as a whole, so that the prepended
     elements stay in the same order.  All numerical array keys will be 
     modified to start counting from zero while literal keys won't be touched. 
    </para>
    <para>
     Returns the new number of elements in the
     <parameter>array</parameter>.
    </para>
    <para>
     <example>
      <title><function>array_unshift</function> example</title>
      <programlisting role="php">
<![CDATA[
<?php
$queue = array("orange", "banana");
array_unshift($queue, "apple", "raspberry");
?>
]]>
      </programlisting>
      <para>
       This would result in <varname>$queue</varname> having the
       following elements:
      </para>
      <screen role="php">
<![CDATA[
Array
(
    [0] => apple
    [1] => raspberry
    [2] => orange
    [3] => banana
)
]]>
      </screen>
     </example>
    </para>
    <para>
     See also <function>array_shift</function>,
     <function>array_push</function>, and
     <function>array_pop</function>.
    </para>
   </refsect1>
  </refentry>

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