title: Array push error
body: <p>I am having trouble with array_push. It is displaying <code>"Parse error: syntax error, unexpected T_DOUBLE_ARROW"</code> The variable $vars is an associative array for paypal. </p>
  
  <pre><code>array_push($vars,
  'item_number'.$num =&gt; $id,
  'item_name'.$num =&gt; $cart_item-&gt;name,
  'amount_'.$num =&gt; $cart_item-&gt;discount_price,
  'quantity_'.$num =&gt; $value);
  
  
  
  $vars = array (
  'cmd' =&gt; '_cart',
  'charset' =&gt; 'utf-8',
  'upload' =&gt; '1',
  'currency_code' =&gt; 'HKD',
  'amount' =&gt; $_SESSION['total'],
  'custom' =&gt; $user_data-&gt;id)
  </code></pre>