sb1/numbers.php

   1 <html>
   2 <head>
   3   <title>Numbers: Integers</title>
   4 </head>
   5 <body>
   6
   7 <?php
   8   $var1 = 3;
   9   $var2 = 4;
  10 ?>
  11 Basic Math: <?php echo ((1 + 2 + $var1) * $var2) / 2 - 5; ?><br />
  12 <br />
  13 +=: <?php $var2 += 4; echo $var2; ?><br />
  14 -=: <?php $var2 -= 4; echo $var2; ?><br />
  15 *=: <?php $var2 *= 3; echo $var2; ?><br />
  16 /=: <?php $var2 /= 4; echo $var2; ?><br />
  17 <br />
  18 Increment: <?php $var2++; echo $var2; ?><br />
  19 Decrement: <?php $var2--; echo $var2; ?><br />
  20
  21 </body>
  22 </html>