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[php] multi-dimensional array sort

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  1. $arr = array(    
  2.  
  3.     'index'=>array( 'name'=>'首页','order'=>3),
  4.  
  5.     'intro'=>array( 'name'=>'企业概况','order'=>2),
  6.  
  7.     'news'=>array( 'name'=>'新闻动态','order'=>1 ),
  8.  
  9.     'product'=>array( 'name'=>'产品中心','order'=>4 ),
  10.  
  11.     'message'=>array( 'name'=>'访客留言','order'=>7 ),
  12.  
  13.     'position'=>array( 'name'=>'人才招聘','order'=>6),
  14.  
  15.     'contact'=>array( 'name'=>'联系我们','order'=> 5 )
  16.  
  17. );
  18.  
  19. uasort($arr, 'cmp');
  20.  
  21. public function cmp($a, $b){
  22.  
  23.    return $a['order'] - $b['order'];
  24.  
  25. }

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