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

1 vote320 views2 answers
Add filter in wordpress
PHP
7 votes375 views3 answers
Laravel random query
PHP Laravel
2 votes327 views1 answer
15000 tl to usd
PHP
0 vote326 views1 answer
Laravel showing index of problem
PHP
1 vote371 views1 answer
Autoload file laravel
PHP Laravel
0 vote349 views1 answer
How to add page link in laravel
PHP
0 vote354 views1 answer
Wordpress get post body
PHP
0 vote347 views1 answer
Handling deadlocks laravel
PHP
0 vote349 views1 answer
Set border phpoffice phpexcel
PHP
1 vote325 views2 answers
Update php version using htaccess
PHP