Answers for "sort data object by key php"

sort array by key value in php

$inventory = array(

   array("type"=>"fruit", "price"=>3.50),
   array("type"=>"milk", "price"=>2.90),
   array("type"=>"pork", "price"=>5.43),

);
$price = array_column($inventory, 'price');
array_multisort($price, SORT_DESC, $inventory);

sort array php by key

$price = array_column($inventory, 'price'); //price is a key for the sort
array_multisort($price, SORT_DESC, $inventory);