title: How to get array of values from an associative arrays?
body: <p>How can I get an array of values from an associative array ?</p>
  
  <p>Associate array Example:</p>
  
  <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
          )
      [2] =&gt; Array
          (
              [0] =&gt; 7
          )
  )
  </code></pre>
  
  <p>Desired Output</p>
  
  <pre><code>Array
  (1,2,3,4,5,6,7)
  </code></pre>