00001 <?php 00011 //This is to include file common_functions.php which has 00012 //common functions which are required in more than one page. 00013 require("common_functions.php"); 00014 00022 function main() 00023 { 00024 if(isset($_GET['submit1'])) 00025 { 00026 $num1=check_and_get('num1'); 00027 $num2=check_and_get('num2'); 00028 display_add_form("add3.php", "Sum of $num1 and $num2 is " . ($num1 + $num2) . "<br/>\n"); 00029 } 00030 else 00031 display_add_form("add3.php", ""); 00032 } 00033 00034 00035 main(); 00036 ?>