摘要：<?php $lang =[ ["html"=>"前台语言","难易度"=>60], &nb
<?php
$lang =[
["html"=>"前台语言","难易度"=>60],
["css"=>"前台样式","难易度"=>50],
["javascript"=>"前端脚本","难易度"=>80],
["php"=>"后端脚本","难易度"=>75]
];
echo "<pre>".var_export($lang,true),"<hr>";
usort($lang,function($a,$b){
return strcmp($a["难易度"],$b["难易度"]);
});
echo "<pre>".var_export($lang,true),"<hr>";
?>
批改老师：查无此人批改时间：2019-05-05 10:27:59
老师总结：完成的不错。数组排序一般是php来操作。继续加油。
