<?php
/*
* Should have error reporting turned on and normally
* goes into a configuration file (config.php for example)
*/
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
if(isset($_POST['submit'])) {
$weight = (float) $_POST['weight'];
$price = (float) $_POST['price'];
/*
* I would look into using the switch statement if you
* are going to have many ifs.
*/
if ($weight <= 3500) {
$price = 65.33;
} elseif ($weight > 3500 && $weight <= 7500) {
$price = 89.83;
} elseif ($weight > 7500) {
$price = 99.16;
}
} // You forgot this bracket ??? (I might had copied it wrong)
?>
.site {
box-sizing: border-box;
display: block;
width: 18.50em;
height: auto;
padding: 1.250em;
margin: 1.250em auto;
}
.calc {
display: grid;
grid-template-columns: repeat(2, 1fr);
grid-auto-rows: 3.125em;
grid-gap: 0.313em;
padding: 0.313em;
}
.calc label.weight {
grid-column: 1/2;
grid-row: 1/2;
background-color: #86B3D1;
color: #fff;
text-align: center;
line-height: 3.125em;
box-shadow: 2px 2px 1px rgba(0, 0, 0, 0.5);
padding: 0.313em;
}
.calc #weight, .calc #price {
outline: none;
border: none;
background-color: #fef0db;
box-shadow: 2px 2px 1px rgba(0, 0, 0, 0.5);
font-size: 1.2em;
padding: 0.313em;
}
.calc label.price {
grid-column: 1/2;
grid-row: 2/3;
background-color: #86B3D1;
color: #fff;
text-align: center;
line-height: 3.125em;
box-shadow: 2px 2px 1px rgba(0, 0, 0, 0.5);
padding: 0.313em;
}
.calc button {
grid-column: 1/3;
grid-row: 3/4;
outline: none;
color: #fff;
border: none;
background-color: #86B3D1;
box-shadow: 2px 2px 1px rgba(0, 0, 0, 0.5);
font-size: 1.2em;
text-transform: capitalize;
}
</style>
</head>
<body class="site">
<form class="calc" action="calculator.php" method="post">
<label class="weight" for="weight">Weight</label>
<input type="number" id="weight" class="form-control" aria-label="Sizing example input" name="weight" aria-describedby="inputGroup-sizing-sm" value="3500" tabindex="1">
<label class="price" for="price">Price</label>
<input type="number" id="price" class="form-control" aria-label="Sizing example input" name="price" aria-describedby="inputGroup-sizing-sm" value="<?= $price ?? 65.13 ?>" tabindex="2">
<!-- use ($price) ? $price : 65.13 if the above doesn't work -->
<button type="submit" name="submit" value="enter">enter</button>
</form>
I have a small logic error in there somewhere, but I think that would be a good way for you to learn. I will correct it if I get the chance. I just rechecked it seems to be working? Strange I do, but it’s small and you should be able to fix it.
), i dont need to change value on submit,need to change the value at same moment,if weight > 3500, price need to change to 89.83…etc.Tnx for trying to help me…