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    <p>The array you show us can't exist in reality. Each array key must be unique, or it will just be overwritten. You use <code>order_item</code> multiple times. What you can do is this:</p> <pre><code>Array ( [0] =&gt; Array ( [order_items] =&gt; Array ( Array ( [id] =&gt; 1 [order_id] =&gt; 1 [userid] =&gt; 1 [item_number] =&gt; 3 [itemName] =&gt; Item A [price] =&gt; 1.99 [quantity] =&gt; 1 [total] =&gt; 1.99 [item_status] =&gt; Not Filled [created] =&gt; 2013-06-13 07:42:00 [modified] =&gt; 2013-06-13 07:42:00 ) , Array ( [id] =&gt; 2 [order_id] =&gt; 1 [userid] =&gt; 1 [item_number] =&gt; 4 [itemName] =&gt; Item B [price] =&gt; 1.99 [quantity] =&gt; 1 [total] =&gt; 1.99 [item_status] =&gt; Not Filled [created] =&gt; 2013-06-13 07:42:00 [modified] =&gt; 2013-06-13 07:42:00 ) ), [Order] =&gt; Array ( [id] =&gt; 1 [userid] =&gt; 4 [order_status] =&gt; Not Filled [email] =&gt; test@gmail.com [total] =&gt; 1.99 [fullName] =&gt; Test [address] =&gt; Test [city] =&gt; Test [state] =&gt; IA [zip] =&gt; 12345 [created] =&gt; 2013-06-13 07:42:00 [modified] =&gt; 2013-06-13 07:42:00 ) ) ) </code></pre> <p><em>(This is probably not exactly how the print would look, but you get the idea)</em></p> <p>You can then use your pseudo code</p> <pre><code>$data = array(); foreach($order_values as $order){ array_push($data, array('Order ID', 'Order total', etc...)) //Order headings go here array_push($data, $order[Order]['id'], order[Order]['item_number']..); //order data here. There is always only 1 line of order data per order array_push($data, array('Item number', 'Item Price', etc..)); //order items headings go here foreach($order['order_items'] as $order_item){ array_push($data, //now add the order items for the specific order) } } </code></pre>
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    1. POLooping through array keys with PHP
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