php order multidimensional array by key value code example

Example 1: php sort multidimensional array

function sortByAge($a, $b) {
    return $a['age'] > $b['age'];
}
$people=[
    ["age"=>54,"first_name"=>"Bob","last_name"=>"Dillion"],
    ["age"=>22,"first_name"=>"Sarah","last_name"=>"Harvard"],
    ["age"=>31,"first_name"=>"Chuck","last_name"=>"Bartowski"]
];

usort($people, 'sortByAge'); //$people is now sorted by age (ascending)

Example 2: sort multi array php

$keys = array_column($array, 'Price');

		array_multisort($keys, SORT_ASC, $array);
	
		print_r($array);

Example 3: php sort multidimensional array by value

function sortByOrder($a, $b) {
    return $a['order'] - $b['order'];
}

usort($myArray, 'sortByOrder');

Example 4: php sort multidimensional array by value

usort($myArray, function($a, $b) {
    return $a['order'] <=> $b['order'];
});