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Foreach loop statement in TP5 controller

2022-07-21 13:34:00 【51CTO】


The controller

use foreach List all recordsets separately 

      
      

       
       //  Get data set 
       
       
$users = Db::name('user')->select();
       
       
//  Directly manipulate the first element 
       
       
$item  = $users[0];
       
       
//  Get the number of dataset records 
       
       
$count = count($users);
       
       
//  Traversing data sets 
       
       
foreach($users as $user){
       
       
    echo $user['name'];
       
       
    echo $user['id'];
       
       
}
      
      

      
      
    
       
       
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It should be noted that , If you want to determine whether the dataset is empty , Can't be used directly

​​empty​​ Judge , Instead, you must use the

​​isEmpty​​ Methods to judge , for example ：


      
      

       
       $users = Db::name('user')->select();
       
       
if($users->isEmpty()){
       
       
    echo ' The dataset is empty ';
       
       
}
      
      

      
      
    
       
       
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Official documents ：https://www.kancloud.cn/manual/thinkphp5/150164

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