<?php
$num1=$_POST['num1'];
$num2=$_POST['num2'];
$func=$_POST['func'];
$submit=$_POST['submit'];
if(submit == false ){
include ('cool.php');
}
else if ($func == add){
include ('cool.php');
$num3=$num1+$num2;
echo"<b><b>";
echo"<b>solution</b>:";
echo"<b>";
echo"$num1+$num2=$num3";
}else if ($func == sub)
{
include ('cool.php');
$num3=$num1-$num2;
echo"<b><b>";
echo"<b>solution</b>:";
echo"<b>";
echo"$num1-$num2=$num3";
}else if ($func == mul)
{
include ('cool.php');
$num3=$num1*$num2;
echo"<b><b>";
echo"<b>solution</b>:";
echo"<b>";
echo"$num1 x/*$num2=$num3";
}else if ($func == div)
{
include ('cool.php');
$num3=$num1/$num2;
echo"<b><b>";
echo"<b>solution</b>:";
echo"<b>";
echo"$num1/$num2=$num3";
};
?>
the output has errors even though I'm sure it's correct plz help me out
the errors
| Notice: Use of undefined constant submit - assumed 'submit' in C:\wamp\www\the test\verb.php on line 7 |
|---|
| Call Stack |
|---|
| # | Time | Memory | Function | Location |
|---|
| 1 | 0.0380 | 147384 | {main}( ) | ..\verb.php:0 |
| ( ! ) Notice: Use of undefined constant add - assumed 'add' in C:\wamp\www\the test\verb.php on line 10 |
|---|
| Call Stack |
|---|
| # | Time | Memory | Function | Location |
|---|
| 1 | 0.0380 | 147384 | {main}( ) | ..\verb.php:0
|