<?php $data = [ 'Colour' => [ 'Red' => 'Red', 'Blue' => 'Blue', ], 'Size' => [ 'Small' => 'Small', 'Medium' => 'Medium', 'Large' => 'Large', ], 'Brand' => [ 'Nike' => 'Nike', 'Adidas' => 'Adidas', ], ]; $combined = []; foreach ($data['Colour'] as $colour) { foreach ($data['Brand'] as $brand) { foreach ($data['Size'] as $size) { $combined[] = implode(' - ', [ $colour, $size, $brand ]); } } } var_dump($combined);
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