check out this php script for calculating price

<?php

ini_set('display_errors',0);

if( isset( $_REQUEST['calculate'] ))

{

$operator=$_REQUEST['operator'];

$operator=="*";

{

$add1 = $_REQUEST['fvalue'];

$add2 ='1.5';

$res =$add1*$add2;

}



if($_REQUEST['fvalue']==NULL && $_REQUEST['lvalue']==NULL)

{

echo "<script language=javascript> alert(\"Please Enter Number of Unit.\";</script>";

}

else if($_REQUEST['fvalue']==NULL)

{

echo "<script language=javascript> alert(\"Please Enter Number of Unit.\";</script>";

}

/**
else if($_REQUEST['lvalue']==NULL)

{

echo "<script language=javascript> alert(\"Please Enter second value.\";</script>";

}

**/

}

?>

<form>

<table style="border:groove darkblue">

<tr>

<td style="background-color:darkblue; color:white; font-family:'Times New Roman' font-style:bold">Enter Number of Unit</td>

<td colspan="1">



<input name="fvalue" type="text" style="color:Black;"/></td>



</tr>



<tr>

<td style="background-color:darkblue;color:white;strong;">Price (N):</td>

<td style="color:darkblue"><?php echo $res;?></td>



</tr>

<tr>

<td></td>

<td><input type="submit" name="calculate" value="Calculate" style="color:wheat;background-color:green" /></td>



</tr>

</table>

</form>




Just change my multiplier to your unit price I.e $add2 ='1.5'; change the 1.5 to your own value

it has some errors....check ur codes

Jacktech:
check out this php script for calculating price

hilaryiwens05:
it has some errors....check ur codes

It doesn't have any error. Run the code from your browser address.
something like this http://localhost/new/pricecalculator.php

Don't run the code my right clicking the file and lunch it with firefox or ur browser

click here to download the script https://www.nairaland.com/download/2047975