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<?php $arr = array ( 0 => array ( 0 => "Vaccination", 1 => "Date of entry", 2 => "Animal", 3 => "Dog", 4 => "246", 5 => "4", 6 => "984", 7 => "102", ), 1 => array ( 0 => "Vaccination", 1 => "Date of entry", 2 => "Animal", 3 => "Cat", 4 => "246", 5 => "4", 6 => "984", 7 => "118", ), ); foreach ($arr as $key => &$value) { $value = array_merge(array_slice($value, 0,3), [end($value)], array_slice($value, 3,-1)); } print_r($arr);

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