Php sort array by subarray value

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)

Similar codes

0 vote376 views1 answer
Laravel has one of many relationship
PHP Laravel
1 vote312 views1 answer
Must be an instance of Illuminate\\Http\\Request
PHP
0 vote330 views2 answers
Php convert degrees to radians
PHP
0 vote382 views1 answer
Get user symfony
PHP Symfony
0 vote336 views1 answer
Artisan call migrate result
PHP
57 votes327 views6 answers
How to create migration in laravel
PHP
7 votes342 views3 answers
Wordpress custom loop
PHP
5 votes361 views2 answers
Laravel 5 use env variable in blade
PHP Laravel
0 vote307 views1 answer
Cant upload file to directory php
PHP
0 vote318 views1 answer
How to check if php is compiling
PHP