title: Transform my MultiArray
body: <p>Have an array</p>
  
  <pre><code>   $A = 
        Array
        (
       [0] =&gt; Array ([0] =&gt; aaa)
  
       [1] =&gt; Array([0] =&gt; bbb)
  
       [2] =&gt; Array([1] =&gt; ccc)
  
       [3] =&gt; Array([1] =&gt; ddd)
      )
  
  
  
  
     $B = array();
      chang_arr($A){
  
      //TODO  
  
  
      }
  </code></pre>
  
  <p>will got an array  $B like this</p>
  
  <pre><code>    Array
      (
   [0] =&gt; Array ([0] =&gt; aaa
          [1] =&gt; bbb
        )
   [1] =&gt; Array([0] =&gt; ccc
        [1] =&gt; ddd
        )
      )
  </code></pre>