如何使用PHP在一個數組中合併數組？

Question

我有一個問題當我想要重建我的數組。 這是我在phpfiddle.org創建

http://phpfiddle.org/main/code/tzp-t1u

誰能給我建議？

Answer 1

此代碼將幫助您

<?php 

$result = array (
     array(
       'lev1'=> null, 
       'lev2'=> 34, 
       'lev3'=> 21, 
       'lev4'=> 22, 
       'child' => 'cyaiooo' 
     ), 
     array(
       'lev1'=> null, 
       'lev2'=> 34, 
       'lev3'=> 10, 
       'lev4'=> 8, 
       'child' => 'test1' 
     ), 
     array(
       'lev1'=> null, 
       'lev2'=> 34, 
       'lev3'=> 21, 
       'lev4'=> 22, 
       'child' => 'hodem' 
     ) 
); 

$data = array(); 

foreach($result as $value) 
{ 
    if(count($data)==0) 
    { 
     $data[] = $value; 

    }else{ 

     foreach($data as &$container) 
     { 
      if($value['lev1']==$container['lev1'] 
        && 
       $value['lev2']==$container['lev2'] 
        && 
       $value['lev3']==$container['lev3'] 
        && 
       $value['lev4']==$container['lev4']) 
      {    

       if(is_string($container['child'])) 
       { 
        //get the string value 
        $string = $container['child']; 

        //unset the child string 
        unset($container['child']); 

        //declatre the array 
        $container['child'] = array(); 

        $container['child'][] = $string; 
       } 

       $container['child'][] = $value['child']; 

       break; 

      }else{ 
       $data[] = $value; 
       break; 
      } 
     } 

    } 
} 

print_r($data);