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<?php $array = [ ['term_title' => 'black'], ['color_quantity' => 2], ['color_price' => 22], ['term_title' => 'blue'], ['color_quantity' => 3], ['color_price' => 33], ]; // form groups, then flatten each group var_export( array_map( function($v) { return array_merge(...$v); }, array_chunk($array, 3) ) );

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