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<?php $data = array(array(17,99), array(17,121), array(99,77), array(45,51), array(45,131), array(131,56), array(14,256), array(233,231), array(14,15)); $result = array(); foreach ($data as $innner_array) { $intersect_array = array(); foreach ($result as $key => $result_inner_array) { $intersect_array = array_intersect($innner_array, $result_inner_array); } if (empty($intersect_array)) { $result[] = $innner_array; } else { $result[$key] = array_unique(array_merge($innner_array, $result_inner_array)); } } var_dump($result); ?>
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