php ordenar array por clave
$weight = [
'Pete' => 75,
'Benjamin' => 89,
'Jonathan' => 101
];
ksort($weight);
php array ordenar por clave valor
To PHP sort array by key, you should use:
ksort() (for ascending order) or krsort() (for descending order).
To PHP sort array by value, you will need functions:
asort() and arsort() (for ascending and descending orders).