根据对象属性对对象数组排序

Question

我有一个由对象组成的数组。

[ 
    { 
     "name" => "First", 
     "order" => 5 
    }, 
    { 
     "name" => "Second", 
     "order" => 3 
    }, 
    { 
     "name" => "Third", 
     "order" => 9 
] 

如何通过升序“order”值来订购？

我应该得到：

[ 
    { 
     "name" => "Second", 
     "order" => 3 
    }, 
    { 
     "name" => "First", 
     "order" => 5 
    }, 
    { 
     "name" => "Third", 
     "order" => 9 
]; 

Answer 1

您应该能够使用PHP usort()功能像这样的数组：

usort($array, function($a, $b){return $a["order"]-$b["order"];}); 

或对象：

usort($array, function($a, $b){return $a->order-$b->order;}); 

这里的PHP参考：usort()