key sort php code example
Example 1: php sort array by key
$weight = [
'Pete' => 75,
'Benjamin' => 89,
'Jonathan' => 101
];
ksort($weight);
Example 2: php sort array by specific key
usort($array, function ($a, $b) {
return ($a['specific_key'] < $b['specific_key']) ? -1 : 1;
});