title: How to generate an alphanumeric incrementing id in PHP?
body: <p>I have system in PHP in which I have to insert a Number which has to like  </p>
  
  <pre><code>PO_ACC_00001,PO_ACC_00002,PO_ACC_00003.PO_ACC_00004 and so on
  </code></pre>
  
  <p>this will be inserted in Database for further reference also "PO and ACC" are dynamic prefix they could different as per requirement</p>
  
  <p>Now my main concern is how can is increment the series 00001 and mantain the 5 digit series in the number?</p>