A simple program that I wrote in PHP to ask the user to give five numbers and then the program will compute the sum of five numbers, and display the result on the screen.
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My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
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Program Listing
<?php
if(isset($_POST["btnSubmit"])) {
$sum = $_POST["input1"] +
$_POST["input2"] +
$_POST["input3"] +
$_POST["input4"] +
$_POST["input5"];
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Addition of 5 Numbers</title>
<style>
*,html {
box-sizing: border-box;
padding: 0;
margin: 0;
}
body {
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: #fefefe;
}
.container {
padding: 20px;
border-radius: 10px;
background: #fff;
border: #000 solid 1px;
text-align: center;
min-width: 300px;
}
h1, h2 {
margin: 0 0 5px;
line-height: 1;
}
input {
display: block;
width: 100%;
margin-bottom: 10px;
padding: 10px;
font-size: 15px;
}
input:last-of-type {
margin: 0;
}
.output_wrapper {
padding: 20px;
font-size: 20px;
background-color: #ccc;
margin: 10px 0;
border: none;
}
.output {
margin: 10px 0 0;
}
button,
.btnRetry {
background-color: #4CAF50;
color: #fff;
border: none;
border-radius: 2px;
text-align: center;
text-transform: uppercase;
text-decoration: none;
cursor: pointer;
font-size: 15px;
padding: 10px;
width: 100%;
display: block;
}
</style>
</head>
<body>
<?php
if(isset($sum)){
echo '<div class="container">
<h1>Addition of Five Numbers in PHP</h1>
<h2>» Jake R. Pomperada, MAED-IT, MIT «</h2>
<div class="output_wrapper">
<p>The sum of '
.$_POST["input1"] . ', ',
$_POST["input2"] . ', ',
$_POST["input3"] . ', ',
$_POST["input4"] . ', and ',
$_POST["input5"] .
' is: </p>
<h2 class="output">'.$sum.'</h2>
</div>
<a href="addition.php" class="btnRetry">Retry?</a>
</div>';
} else {
echo '<form action="" method="post" class="container">
<h1>Addition of 5 Numbers</h1>
<h2>» Jake R. Pomperada, MAED-IT, MIT «</h2>
<div class="output_wrapper">
<input type="text" name="input1" placeholder="Enter 1st number here..." required>
<input type="text" name="input2" placeholder="Enter 2nd number here..." required>
<input type="text" name="input3" placeholder="Enter 3th number here..." required>
<input type="text" name="input4" placeholder="Enter 4th number here..." required>
<input type="text" name="input5" placeholder="Enter 5th number here..." required>
</div>
<button type="submit" name="btnSubmit">Submit</button>
</form>';
}
?>
</body>
</html>
