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@ 2020-08-27T23:27:34Z

<?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
Performance
VLD
References
Branches

print_r: documentation ( source)
asort: documentation ( source)
key: documentation ( source)
next: documentation ( source)

preferences:dark modelive previewkey bindings

26.94 ms | 407 KiB | 5 Q