title: Add a new element into one array recursively
body: <p>How to add a new element into one array recursively,
  The case like this,</p>
  
  <pre><code>$insertNew = "Another Value";
  </code></pre>
  
  <p>Main Array :</p>
  
  <pre><code>Array
  (
     [0] =&gt; 1
     [1] =&gt; 2
     [2] =&gt; 3
     [3] =&gt; 4
  )
  </code></pre>
  
  <p>I need an array like below becaue I want to make a insert batch in mysql</p>
  
  <pre><code>        [
            ['Another Value', 1],
            ['Another Value', 2],
            ['Another Value', 3],
            ['Another Value', 4],
          ]
  </code></pre>
  
  <p>Please advise.</p>