Basic PHP Programs

Display "Welcome To LearningPoint92"

<?php

echo " Welcome To LearningPoint92 ";

?>

Output:

Welcome To LearningPoint92 

Addition of two Numbers

<?php

 $a=50;

$b=100;

$c=$a+$b;

echo "Sum = $c</br>";

?>

Output:

Sum = 150

Note: Php variables are declared by $(sign) and there is no need to declare datatype before variable name.

Example:$a,$b,$name

Print Student Details

<?php

$name="Rushi";

$age=22;

$mark=80.35;

echo "Student Details</br>";

echo "Name:$name</br>";

echo "Age:$age</br>";

echo "Mark:$mark</br>";

?>

Output:

Student Details
Name:Rushi
Age:22
Mark:80.35

Swapping of two numbers

<?php

$x=50;

$y=40;

echo "Value of x before swapping:$x</br>";

echo "Value of y before swapping:$y</br>";

$temp=$x;

$x=$y;

$y=$temp;

echo "Value of x after swapping: $x</br>";

echo "Value of y after swapping: $y</br>";

?>

Output:

Value of x before swapping:50
Value of y before swapping:40
Value of x after swapping: 40
Value of y after swapping: 50

Swapping of two numbers without using third variable

<?php

$x=50;

$y=40;

echo "Value of x before swapping:$x</br>";

echo "Value of y before swapping:$y</br>";

$x=$x+$y;

$y=$x-$y;

$x=$x-$y;

echo "Value of x after swapping: $x</br>";

echo "Value of y after swapping: $y</br>";

?>

Output:

Value of x before swapping:50
Value of y before swapping:40
Value of x after swapping: 40
Value of y after swapping: 50

Calculate Area of triangle

<?php

$b=5;

$h=9;

$result=0.5*$b*$h;

echo "Area of triangle is:$result</br>";

?>

Output:

Area of triangle is:22.5

Calculate total and average marks of 3 subjects

<?php

$m1=50;

$m2=22;

$m3=80;

$sum=$m1+$m2+$m3;

$avg=$sum/3;

 echo "Total:$sum</br>";

echo "Avg:$avg</br>";

?>

Output:

Total:152
Avg:50.666666666667

Calculate Simple Interest

<?php

$p=5000;

$t=2;

$r=10;

$si=$p*$t*$r/100;

echo "Simple interest:$si</br>";

?>

Output:

Simple interest:1000

Calculate Area of Circle

<?php

$r=10;

$Area=3.14*$r*$r;

echo "Area of circle is:$Area</br>";

?>

Output:

Area of circle is:314

Calculate Area of Square and Area of Rectangle

<?php

$side=10;

$length=30;

$Width=20;

$AreaOfSquare=$side*$side;

$AreaOfRectangle=$Width*$length;

echo "Area of Square is:$AreaOfSquare</br>";

echo "Area of Rectangle is:$AreaOfRectangle</br>";

?>

Output:

Area of Square is:100
Area of Rectangle is:600

Calculate all arithmetic operation(+,-,*,%,/)

<?php

  $a=50;

  $b=10;

$sum=$a+$b;

$sub=$a-$b;

$mul=$a*$b;

$quo=$a/$b;

$rem=$a%$b;

echo "Addition is $sum</br>";

echo "Subtraction is $sub</br>";

echo "Multiplication is $mul</br>";

echo "Quotient is $quo</br>";

echo "Reminder is $rem</br>";

?>

Output:

Addition is 60
Subtraction is 40
Multiplication is 500
Quotient is 5
Reminder is 0