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<?php // Everything you enter here will be executed by our servers. Try it! $data = array( array( 'id' => 1, 'name' => 'bob', 'product_id' => 1, 'product' => 'laptop', 'price' => 999, ), array( 'id' => 1, 'name' => 'bob', 'product_id' => 2, 'product' => 'mouse', 'price' => 15, ), array( 'id' => 1, 'name' => 'bob', 'product_id' => 3, 'product' => 'keyboard', 'price' => 25, ) ); $output = array(); $userColumnIntersect = array_flip(array( 'id', 'name', )); $productColumnIntersect = array_flip(array( 'product', 'price', )); foreach($data as $row){ $id = $row['id']; if(!isset($output[$id])){ $output[$id] = array_intersect_key($row, $internalOrderColumnIntersect); $output[$id]['products'] = array(); } $productId = $row['product_id']; if(!isset($output[$id]['products'][$productId])){ $productDataRow = array_intersect_key($row, $productColumnIntersect); $output[$id]['products'][$productId] = $productDataRow; } } echo '<pre>'; print_r($output);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $internalOrderColumnIntersect in /in/OXNJ4 on line 46 Fatal error: Uncaught TypeError: array_intersect_key(): Argument #2 must be of type array, null given in /in/OXNJ4:46 Stack trace: #0 /in/OXNJ4(46): array_intersect_key(Array, NULL) #1 {main} thrown in /in/OXNJ4 on line 46
Process exited with code 255.

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