abstract：<?phpheader("Content-Type:text/html; charset=utf8");$stu = [ ['name' =>'林熙蕾','grade'=> 90], ['name' =>'范冰冰','
<?php
header("Content-Type:text/html; charset=utf8");
$stu = [
['name' =>'林熙蕾','grade'=> 90],
['name' =>'范冰冰','grade'=>87],
['name' =>'小青', 'grade'=>73],
];
//升序回调
usort($stu,function($m,$n){
return strcmp($m['grade'],$n['grade']);
});
echo var_export($stu,true),'<hr>';
?>
Correcting teacher：查无此人Correction time：2019-04-10 15:40:04
Teacher's summary：完成的不错。可以写好一些规则，留作下次使用。这样就很方便了。继续加油。