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 vote167 views1 answer
Static function model laravel
PHP Laravel
1 vote155 views1 answer
How to reverse fetch assoc in php
PHP
1 vote114 views2 answers
Update checkbox value in laravel
PHP
0 vote117 views3 answers
Laravel collection sort
PHP Laravel
0 vote117 views1 answer
Save image to custom meta box
PHP
6 votes146 views6 answers
Array to String Conversion in PHP
PHP
0 vote126 views1 answer
Search query codeigniter
PHP
0 vote108 views1 answer
Field doesn't have default value laravel
PHP
64 votes114 views6 answers
Delete cache laravel
PHP
15 votes127 views3 answers
Laravel make model controller and migration one time
PHP