Convert multidimensional array to string : <pre><code>Array
(
 [0] =&gt; Array
 (
  [0] = &gt; 1
  [1] = &gt; 2
  [2] = &gt; 3
  )
 [1] = &gt; Array
 (
  [0] = &gt; 4
  [1] = &gt; 5
  [2] = &gt; 6
  )
 )
</code></pre>

<p>I have a multidimensional array, I want to convert the inner array to string with this format using php loop statement</p>

<pre><code>$array[0] = 1,2,3
$array[1] = 4,5,6
</code></pre>
