title: How php array will move to one dimension from two dimensional array
body: <p>Original array</p>
  
  <pre><code>Array ( [1147183647] =&gt; 3 [2147483242] =&gt; 1 ) 
  </code></pre>
  
  <p>expected out put</p>
  
  <pre><code>Array (1147183647,1147183647,1147183647,2147483242)
  </code></pre>
  
  <p>how can i expand array key base on their value</p>