PHPize Online / SQLize Online  /  SQLtest Online

<?php $m1 = [1=>6, 8 => 11, 20 => 30, 33 => 35 ,66 => 80]; $m = [0=>5, 6 => 25, 26 =>28, 80 => 95]; $m_keys = array_keys($m); $m1_keys = array_keys($m1); $result = []; for ($i = 0; $i < max(count($m_keys), count($m1_keys)); $i++) { $result[!isset($m_keys[$i]) ? $m1_keys[$i] : (!isset($m1_keys[$i]) ? $m_keys[$i] : min($m_keys[$i], $m1_keys[$i]))] = !isset($m_keys[$i]) ? $m1[$m1_keys[$i]] : (!isset($m1_keys[$i]) ? $m[$m_keys[$i]] : max($m[$m_keys[$i]], $m1[$m1_keys[$i]])); } print_r($result);