Php usort two columns

$users=array(                                                       
    array("sex"=>0,"age"=>9),                              
    array("sex"=>0,"age"=>34),                             
    array("sex"=>1,"age"=>17),                             
    array("sex"=>0,"age"=>1),                              
    array("sex"=>1,"age"=>3)                              
);                                                                        
//sort first by sex, then by age
usort($users, function($a,$b){                                      
   return  ($a['sex'] == $b['sex']) ?                   
            $a['age'] < $b['age'] :                                   
            $a['sex'] < $b['sex'];                      
});

Similar codes

0 vote133 views1 answer
Disable cors policy symfony
PHP
14 votes128 views2 answers
Laravel change value to intger
PHP
3 votes136 views1 answer
Auth::loginUsingId
PHP
3 votes140 views4 answers
Laravel cors enable
PHP Laravel
0 vote167 views2 answers
Create curl api request php with para
PHP
1 vote110 views2 answers
Class 'App\Http\Controllers\Session' not found
PHP
-1 vote125 views2 answers
Strings php
PHP
0 vote144 views2 answers
Php convert degrees to radians
PHP
7 votes124 views4 answers
Install or enable PHP's gd extension
PHP
35 votes177 views6 answers
Php get current date and time
PHP