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 vote351 views1 answer
Remove invalid characters from a string laravel
PHP Laravel
1 vote377 views1 answer
Display summernonte data with string limit laravel
PHP Laravel
6 votes305 views2 answers
Php server function
PHP
2 votes363 views2 answers
Laravel validation unique email except self
PHP
0 vote323 views2 answers
How to get all roles in wordpress
PHP
1 vote293 views2 answers
Transform unix timestamp in date
PHP
0 vote326 views1 answer
Laravel change db connection on the fly
PHP Laravel
0 vote364 views1 answer
Download symfony exe
PHP Symfony
3 votes346 views3 answers
Laravel if database has table
PHP
0 vote295 views2 answers
Php check new month
PHP