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    copied!<p>php script</p> <pre><code>&lt;pre&gt; &lt;?php // Data Source $db_data = array( array('manufacturers_id' =&gt; 1, 'manufacturers_name' =&gt; 'Some Company', 'products_price' =&gt; 1.99, 'products_quantity' =&gt; 12, 'products_cost' =&gt; 0.49), array('manufacturers_id' =&gt; 1, 'manufacturers_name' =&gt; 'Some Company', 'products_price' =&gt; 1.99, 'products_quantity' =&gt; 12, 'products_cost' =&gt; 0.49), array('manufacturers_id' =&gt; 2, 'manufacturers_name' =&gt; 'Another Company', 'products_price' =&gt; 12.99, 'products_quantity' =&gt; 112, 'products_cost' =&gt; 10.49), array('manufacturers_id' =&gt; 2, 'manufacturers_name' =&gt; 'Another Company', 'products_price' =&gt; 12.99, 'products_quantity' =&gt; 112, 'products_cost' =&gt; 10.49), ); // Sort Data $db_data_sorted = array(); foreach ($db_data as $data) { $db_data_sorted[$data['manufacturers_id']][$data['manufacturers_name']]['brands_total_sales'] += (intval($data['products_quantity']) * floatval($data['products_price'])); $db_data_sorted[$data['manufacturers_id']][$data['manufacturers_name']]['products'][] = array( 'products_price' =&gt; $data['products_price'], 'products_quantity' =&gt; $data['products_quantity'], 'products_cost' =&gt; $data['products_cost'] ); } // Debug print_r($db_data_sorted); ?&gt; </code></pre> <p>output:</p> <pre><code>Array ( [1] =&gt; Array ( [Some Company] =&gt; Array ( [brands_total_sales] =&gt; 47.76 [products] =&gt; Array ( [0] =&gt; Array ( [products_price] =&gt; 1.99 [products_quantity] =&gt; 12 [products_cost] =&gt; 0.49 ) [1] =&gt; Array ( [products_price] =&gt; 1.99 [products_quantity] =&gt; 12 [products_cost] =&gt; 0.49 ) ) ) ) [2] =&gt; Array ( [Another Company] =&gt; Array ( [brands_total_sales] =&gt; 2909.76 [products] =&gt; Array ( [0] =&gt; Array ( [products_price] =&gt; 12.99 [products_quantity] =&gt; 112 [products_cost] =&gt; 10.49 ) [1] =&gt; Array ( [products_price] =&gt; 12.99 [products_quantity] =&gt; 112 [products_cost] =&gt; 10.49 ) ) ) ) ) </code></pre>
 

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