1
<!DOCTYPE html>
<html>
<body>
<?php
echo "Write your name";
?>
</body>
</html>
2
<html>
<body>
<form>
<p>Enter principal amount</p>
<input type="number" name="p" required>
<p>Enter rate of interest per year</p>
<input type="number" name="r" required>
<p>Enter time period in years</p>
<input type="number" name="t" required>
<input type="submit" name="sub" value="Submit">
</form>
<?php
if (isset($_REQUEST['sub'])) {
$p = $_REQUEST['p'];
$r = $_REQUEST['r'];
$t = $_REQUEST['t'];
$si = ($p * $r * $t) / 100;
echo "<h2>Simple Interest = $si</h2>";
}
?>
</body>
</html>
3
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<?php
$side1 = 2;
$side2 = 3;
$area = $side1 * $side2;
echo "<p>Area of rectangle: $area</p>";
?>
</body>
</html>
4
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<?php
$first = "Hello";
$second = "World";
echo $first . " " . $second; // Output: Hello World
?>
</body>
</html>
5
<html>
<head>
<title></title>
</head>
<body>
<form method="post">
<p>Enter 1st number:</p>
<input type="number" name="num1">
<p>Enter 2nd number:</p>
<input type="number" name="num2">
<p>Enter 3rd number:</p>
<input type="number" name="num3">
<br><br>
<input type="submit" value="Check">
</form>
<?php
if (isset($_POST['num1']) && isset($_POST['num2']) && isset($_POST['num3'])) {
$a = $_POST['num1'];
$b = $_POST['num2'];
$c = $_POST['num3'];
if ($a > $b && $a > $c) {
echo "<h1>A is biggest: $a</h1>";
} else if ($b > $a && $b > $c) {
echo "<h1>B is biggest: $b</h1>";
} else {
echo "<h1>C is biggest: $c</h1>";
}
}
?>
</body>
</html>
6
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<form method="post">
<p>Enter a number:</p>
<input type="number" name="num" required>
<br><br>
<input type="submit" name="sub" value="Check">
</form>
<?php
if (isset($_POST['sub'])) {
$n = $_POST['num'];
if ($n % 2 == 0) {
echo "<h3>$n is Even</h3>";
} else {
echo "<h3>$n is Odd</h3>";
}
}
?>
</body>
</html>
7
<html>
<head>
<title></title>
</head>
<body>
<form>
<p>Enter 1 number:</p>
<input type="number" name="num1">
<p>Enter 2 number:</p>
<input type="number" name="num2">
<input type="submit" name="sub" value="Check">
</form>
<?php
if (isset($_REQUEST['sub'])) {
$num1 = $_REQUEST['num1'];
$num2 = $_REQUEST['num2'];
if ($num1 == $num2) {
echo "<h1>$num1 and $num2 are equal</h1>";
} else {
echo "<h1>$num1 and $num2 are not equal</h1>";
}
}
?>
</body>
</html>
8
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<form method="post">
<p>Enter your name:</p>
<input type="text" name="name" required>
<input type="submit" name="sub" value="Convert">
</form>
<?php
if (isset($_REQUEST['sub'])) {
$name = strtoupper($_REQUEST['name']); // Convert to uppercase for consistency
$length = strlen($name);
echo "<h3>Converted Result:</h3><p>";
for ($i = 0; $i < $length; $i++) {
$char = $name[$i];
// Check if it's an alphabet character
if (ctype_alpha($char)) {
$number = ord($char) - 64; // A=65 in ASCII, so A - 64 = 1
echo "$char = $number<br>";
} else {
echo "$char is not a letter<br>";
}
}
echo "</p>";
}
?>
</body>
</html>
9
<html>
<head>
<title></title>
</head>
<body>
<form method="post">
<p>Enter a number (1-12):</p>
<input type="number" name="num1" required>
<br><br>
<input type="submit" name="sub" value="Submit">
</form>
<?php
if(isset($_REQUEST['sub'])) {
$ch = $_REQUEST['num1'];
switch($ch) {
case 1:
echo "January";
break;
case 2:
echo "February";
break;
case 3:
echo "March";
break;
case 4:
echo "April";
break;
case 5:
echo "May";
break;
case 6:
echo "June";
break;
case 7:
echo "July";
break;
case 8:
echo "August";
break;
case 9:
echo "September";
break;
case 10:
echo "October";
break;
case 11:
echo "November";
break;
case 12:
echo "December";
break;
default:
echo "Invalid number. Please enter a number between 1 and 12.";
}
}
?>
</body>
</html>
10
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<?php
for($i=1; $i<=10; $i++)
{
echo "$i Hello <br>";
}
?>
</body>
</html>
11
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<form method="post">
<h3>Enter 10 numbers:</h3>
<?php
for ($i = 1; $i <= 10; $i++) {
echo "Number $i: <input type='number' name='num[]' required><br><br>";
}
?>
<input type="submit" name="sub" value="Calculate Sum">
</form>
<?php
if (isset($_POST['sub'])) {
$numbers = $_POST['num'];
$sum = 0;
foreach ($numbers as $n) {
$sum += $n;
}
echo "<h2>The sum of the 10 numbers is: $sum</h2>";
}
?>
</body>
</html>
12
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<h2>Multiplication Table of 10</h2>
<?php
$num = 10;
for ($i = 1; $i <= 10; $i++) {
$result = $num * $i;
echo "$num x $i = $result<br>";
}
?>
</body>
</html>
13
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<h2>Even Numbers Between 1 and 100:</h2>
<?php
for ($i = 1; $i <= 100; $i++) {
if ($i % 2 == 0) {
echo "$i ";
}
}
?>
</body>
</html>
14
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<h2>Factorial Calculator</h2>
<form method="post">
<label>Enter a number:</label>
<input type="number" name="num" min="0" required>
<input type="submit" name="sub" value="Calculate">
</form>
<?php
if (isset($_POST['sub'])) {
$num = $_POST['num'];
$factorial = 1;
if ($num == 0 || $num == 1) {
$factorial = 1;
} else {
for ($i = 2; $i <= $num; $i++) {
$factorial *= $i;
}
}
echo "<h3>Factorial of $num is: $factorial</h3>";
}
?>
</body>
</html>
15
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<?php
echo "<h1>1</h1>";
for($i=0; $i<=5; $i++)
{
for($j=0; $j<=$i; $j++)
{
echo " *";
}
echo "<br>";
}
echo "<h1>2</h1>";
for($i=1; $i<=5; $i++)
{
for($j=1; $j<=$i; $j++)
{
echo " $j";
}
echo "<br>";
}
echo "<h1>3</h1>";
for($i=1; $i<=5; $i++)
{
for($j=1; $j<=$i; $j++)
{
echo " $i";
}
echo "<br>";
}
echo "<h1>4</h1>";
for($i='A'; $i<='E'; $i++)
{
for($j='A'; $j<=$i; $j++)
{
echo " $j";
}
echo "<br>";
}
?>
</body>
</html>