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Tuesday, April 7, 2020

Write a php program to print factorial of a number

Write a php program to print factorial of a number:
Answer:

$num = 7;
$factorial = 1;
for ($x=$num; $x>=1; $x--)
{
$factorial = $factorial * $x;
}
echo "Factorial of $num is $factorial";
?>

Output:

Factorial of 7 is 5040

What can you never eat for breakfast?

What can you never eat for breakfast?

Answer:

Dinner.

What three letters change a girl into a woman?

Question:

What three letters change a girl into a woman?

Answer:

AGE.

Monday, April 6, 2020

What is the extension of PHP?

.php is the extension of PHP

PHP originally stood for

PHP originally stood for:

Personal Home Page in 1994

The acronym was formally changed to PHP: HyperText Preprocessor, in 1997

Write a php program to check wether a number is prime or not

<?php

// PHP code to check wether a number is prime or Not

function primeCheck($number)

{

if ($number == 1)

return 0;

for ($i = 2; $i <= $number/2; $i++)

{

if ($number % $i == 0)

return 0;

}

return 1;

}

$number = 31;

$flag = primeCheck($number);

if ($flag == 1)

echo "Prime number";

else

echo "Not Prime number"

Write a program in php to check given number is even or odd

Answer:

<html>

<body>

<h3>Odd or Even PHP Example</h3>

<label>Enter a number</label>

</form>

</body>

</html>

<?php

if($_POST){

$number = $_POST['number'];

//check if the enter value is a number or throw an error

if (!(is_numeric($number) && is_int(0+$number))){

echo "<p style='color:red;'>Error: You entered a string. Please enter an Integer</p>";

die();

}

//divide the entered number by 2

//if the reminder is 0 then the number is even otherwise the number is odd

if(($number % 2) == 0){

echo "You entered an Even number";

}else{

echo "You entered an Odd number";

}