title: Loop Array Data Sum With PHP
body: <p>I want to sum comes array data </p>
  
  <p>invoice[0][total]: 1000</p>
  
  <p>invoice[1][total]: 200</p>
  
  <p>invoice[2][total] : 150</p>
  
  <p>.
  .
  .</p>
  
  <p>How can sum this changing values</p>
  
  <p>Best Regards</p>