Practical 2 | PHP Lab Manual (22619) | Write a PHP program to demonstrate the use of Decision-making control structures using- a. If statement b. If-else statement c. Switch statement

CodingCampus September 07, 2022

Web Based Application Development with PHP

(22619) Answers

Practical 2: Write a PHP program to demonstrate the use of Decision-making control structures using-
a. If statement
b. If-else statement
c. Switch statement

* Program code
1) Write a program to find given number is Even or Odd
Ans=>

<!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>Even Odd</title>
</head>
<body>
<h1>Even Odd Number</h1>
<?php
$num=2;
if($num%2==0){
echo("Number is Even ");
}
else{
echo("Number is Even ");
}

?>
</body>
</html>

* Exerecise
1. Write a program to make the use of logical operators.
Ans=>
xample:
<!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>Logical Operators in php</title>
</head>
<body>
<?php
$a=10;
$b=20;
if($a==10 and $b=20){
echo(" use of 'and' Logical Operator <br>");

}
if($a==10 or $b==30){
echo(" use of 'or' Logical Operator <br>");
}
if($a==10 xor $b==50){
echo(" use of 'xor' Logical Operator <br>");
}
if(!$c){
echo("use of 'not' Logical Operator <br>");
}
?>

</body>
</html>

2. Write a program to check no is positive or negative.
Ans=>
xample:
<!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>Positive Negative numbeer </title>
</head>
<body>
<?php
$num=-2;
if($num>=0)
{
echo("<h1>Number is Positive</h1>");
}
else{
echo("<h1> Number is Negative </h1>");
}
?>
</body>
</html>
3. Write a calendar program using switch statement.
Ans=>
xample:
<!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>Calender using switch statement</title>
</head>
<body>
<?php
$today = date("D");
switch($today){
case "Mon":
echo "Today is Monday. Clean your house.";
break;
case "Tue":
echo "Today is Tuesday. Buy some food.";
break;
case "Wed":
echo "Today is Wednesday. Visit a doctor.";
break;
case "Thu":
echo "Today is Thursday. Repair your car.";
break;
case "Fri":
echo "Today is Friday. Party tonight.";
break;
case "Sat":
echo "Today is Saturday. Its movie time.";
break;
case "Sun":
echo "Today is Sunday. Do some rest.";
break;
default:
echo "No information available for that day.";
break;
}
?>

</body>
</html>

* Practical Related Questions.

1. List operators used in if conditional statement.
Ans=> 1) Comparison Operator.
2) Logical Operators
3) Arithmetic Operators

2. In if-else construct which part will be executed if condition is true.
Ans=> 1) If the condition is true then body of if is executed.

3. State the condition when the else part will be executed with example
Ans=>
1)The code associated with the 'else' condition is only executed when no other condition has been met .
2) Example :

Example:

<?php
$num=-5;
if($num%2==0){
echo("Number is Even ");
}
else{
echo("Number is Even ");
}

?>

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Keep Growing ❤

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