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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Merge two or more arrays recursively</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.array-map.html">array_map</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.array-merge.html">array_merge</a></div> <div class="up"><a href="ref.array.html">Array Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.array-merge-recursive" class="refentry"> <div class="refnamediv">  <h1 class="refname">array_merge_recursive</h1>  <p class="verinfo">(PHP 4 &gt;= 4.0.1, PHP 5)</p><p class="refpurpose"><span class="refname">array_merge_recursive</span> &mdash; <span class="dc-title">Merge two or more arrays recursively</span></p> </div>  <div class="refsect1 description">  <h3 class="title">Description</h3>  <div class="methodsynopsis dc-description">   <span class="type">array</span> <span class="methodname"><b><b>array_merge_recursive</b></b></span>    ( <span class="methodparam"><span class="type">array</span> <tt class="parameter">$array1</tt></span>   [, <span class="methodparam"><span class="type">array</span> <tt class="parameter">$...</tt></span>  ] )</div>  <p class="para rdfs-comment">   <b>array_merge_recursive()</b> merges the elements of   one or more arrays together so that the values of one are appended   to the end of the previous one.  It returns the resulting array.  </p>  <p class="para">   If the input arrays have the same string keys, then the values for   these keys are merged together into an array, and this is done   recursively, so that if one of the values is an array itself, the   function will merge it with a corresponding entry in another array   too. If, however, the arrays have the same numeric key, the later   value will not overwrite the original value, but will be appended.  </p> </div> <div class="refsect1 parameters">  <h3 class="title">Parameters</h3>  <p class="para">   <dl>    <dt>     <span class="term"><i><tt class="parameter">array1</tt></i></span>     <dd>      <p class="para">       Initial array to merge.      </p>     </dd>    </dt>    <dt>     <span class="term"><i><tt class="parameter">array</tt></i></span>     <dd>      <p class="para">       Variable list of arrays to recursively merge.      </p>     </dd>    </dt>   </dl>  </p> </div> <div class="refsect1 returnvalues">  <h3 class="title">Return Values</h3>  <p class="para">   An array of values resulted from merging the arguments together.  </p> </div> <div class="refsect1 examples">  <h3 class="title">Examples</h3>  <p class="para">   <div class="example">    <p><b>Example #1 <b>array_merge_recursive()</b> example</b></p>    <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$ar1&nbsp;</span><span style="color: #007700">=&nbsp;array(</span><span style="color: #DD0000">"color"&nbsp;</span><span style="color: #007700">=&gt;&nbsp;array(</span><span style="color: #DD0000">"favorite"&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #DD0000">"red"</span><span style="color: #007700">),&nbsp;</span><span style="color: #0000BB">5</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$ar2&nbsp;</span><span style="color: #007700">=&nbsp;array(</span><span style="color: #0000BB">10</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"color"&nbsp;</span><span style="color: #007700">=&gt;&nbsp;array(</span><span style="color: #DD0000">"favorite"&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #DD0000">"green"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"blue"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$result&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">array_merge_recursive</span><span style="color: #007700">(</span><span style="color: #0000BB">$ar1</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$ar2</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>    </div>    <div class="example-contents"><p>The above example will output:</p></div>    <div class="example-contents"><pre><div class="cdata"><pre>Array(    [color] =&gt; Array        (            [favorite] =&gt; Array                (                    [0] =&gt; red                    [1] =&gt; green                )            [0] =&gt; blue        )    [0] =&gt; 5    [1] =&gt; 10)</pre></div>    </pre></div>   </div>  </p> </div> <div class="refsect1 seealso">  <h3 class="title">See Also</h3>  <p class="para">   <ul class="simplelist">    <li class="member"><a href="function.array-merge.html" class="function" rel="rdfs-seeAlso">array_merge()</a></li>   </ul>  </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.array-map.html">array_map</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.array-merge.html">array_merge</a></div> <div class="up"><a href="ref.array.html">Array Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>
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