title: Algorithm to share array data in smaller array (s) in php
body: <p>I have an array X ( 1,2,3,...700)</p>
  
  <p>I would like to put datas in five arrays in the order, like</p>
  
  <p>X1 ( 1,2...200)
  X2 (200...400)
  .
  .
  .X5(...,700)</p>
  
  <p>What the <strong><em>fastest</em></strong> way to that gys?</p>
  
  <p>Tx</p>