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);php sort array by key
$weight = [
'Pete' => 75,
'Benjamin' => 89,
'Jonathan' => 101
];
ksort($weight);php sort array by specific key
usort($array, function ($a, $b) {
return ($a['specific_key'] < $b['specific_key']) ? -1 : 1;
});php sort array by value and keep key
$weight = [
'Pete' => 75,
'Benjamin' => 309,
'Jonathan' => 101
];
asort($weight);
/*
weight is now:
Array
(
[Pete] => 75
[Jonathan] => 101
[Benjamin] => 309
)
To sort descending instead use: arsort
*/php sort array of array by key
$inventory = [
['price' => 10.99, 'product' => 'foo 1'],
['price' => 5.99, 'product' => 'foo 2'],
['price' => 100, 'product' => 'foo 3'],
];
$price = array_column($inventory, 'price');
array_multisort($price, SORT_DESC, $inventory);php rsort retain keys
//Sort an array in reverse order and maintain index association
arsort($myArray)Copyright © 2021 Codeinu
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