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<?php $arr = [7, 3, 5, 4]; asort($arr); $temp = []; $count = 1; $key = key($arr); while (next($arr)) { $temp[$key] = key($arr); $key = key($arr); $count++; } $temp[$key] = -1; print_r($temp); $result = []; for ($i = 0; $i < $count; $i++) { $result[] = $temp[$i]; } print_r($result);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Array ( [1] => 3 [3] => 2 [2] => 0 [0] => -1 ) Array ( [0] => -1 [1] => 3 [2] => 0 [3] => 2 )
preferences:
149.58 ms | 407 KiB | 5 Q