Palindrome Number10 Mar 2025 | 1 min read A palindrome number is a number which remains same when its digits are reversed. For example, number 24142 is a palindrome number. On reversing it we?ll get the same number. Logic:
Palindrome Number in PHPExample: ExampleExecute NowOutput:  Palindrome Number using Form in PHPExample: We'll show the logic to check whether a number is palindrome or not. ExampleExecute NowOutput: On entering the number 23432, we get the following output.  On entering the number 12345, we get the following output.  Next TopicFibonacci Series |
Reverse number A number can be written in reverse order. For example 12345 = 54321 Logic: Declare a variable to store reverse number and initialize it with 0. Multiply the reverse number by 10, add the remainder which comes after dividing the number by 10. Reversing Number in PHP Example: Below progrem shows digits...
1 min read
Fibonacci Series Fibonacci series is the one in which you will get your term by adding ious two numbers. For example, 0 1 1 2 3 5 8 13 21 34 Here, 0 + 1 = 1 ...
1 min read
Table of Number A table of a number can be printed using a loop in program. Logic: Define the number. Run for loop. Multiply the number with for loop output. Example: We'll print the table of 7. Example <?php define('a', 7); for($i=1; $i<=10; $i++) { echo $i*a; echo '<br>';...
1 min read
Factorial Program The factorial of a number n is defined by the product of all the digits from 1 to n (including 1 and n). For example, 4! = 4*3*2*1 = 24 6! = 6*5*4*3*2*1 = 720 Note: It is denoted by n! and is calculated only for positive integers. Factorial of...
2 min read
Swapping two numbers Two numbers can be swapped or interchanged. It means first number will become second and second number will become first. For example a = 20, b = 30 After swapping, a = 30, b = 20 There are two methods for swapping: By using third variable. Without using third variable. Swapping...
1 min read
Alphabet Triangle Method There are three methods to print the alphabets in a triangle or in a pyramid form. range() with for loop chr() with for loop range() with foreach loop Logic: Two for loops are used. First for loop set conditions to print 1 to 5 rows. Second for loop set conditions...
1 min read
Area of a Rectangle Area of a rectangle is calculated by the mathematical formula, Length ∗ Breadth = Area Logic: Take two variables. Multiply both of them. Area of Rectangle in PHP Program to calculate area of rectangle with length as 14 and width as 12 is shown. Example: Example <?php $length = 14; $width...
1 min read
Star Triangle The star triangle in PHP is made using for and foreach loop. There are a lot of star patterns. We'll show some of them here. Pattern 1 Example <?php for($i=0;$i<=5;$i++){ for($j=5-$i;$j>=1;$j--){ echo "* "; } echo "<br>"; } ?> Execute Now Output: Pattern 2 Example <?php for($i=0;$i<=5;$i++){ for($j=1;$j<=$i;$j++){ echo "* "; } echo "<br>"; } ?> Execute Now Output: Pattern 3 Example <?php for($i=0;$i<=5;$i++){ for($k=5;$k>=$i;$k--){ echo " "; } for($j=1;$j<=$i;$j++){ echo "* "; } echo "<br>"; } for($i=4;$i>=1;$i--){ for($k=5;$k>=$i;$k--){ echo " "; } for($j=1;$j<=$i;$j++){ echo "* "; } echo "<br>"; } ?> Execute...
1 min read
Area of Triangle Area of a triangle is calculated by the following Mathematical formula, (base * height) / 2 = Area Area of Triangle in PHP Program to calculate area of triangle with base as 10 and height as 15 is shown. Example: Example <?php $base = 10; $height = 15; echo...
1 min read
Number Triangle Number triangle in PHP can be printed using for and foreach loop. There are a lot of patterns in number triangle. Some of them are show here. Pattern1 Example <?php $k=1; for($i=0;$i<4;$i++){ for($j=0;$j<=$i;$j++){ echo $k." "; $k++; } echo "<br>"; } ?> Execute Now Output: Pattern 2 Example <?php $k=1; for($i=0;$i<5;$i++){ for($j=0;$j<=$i;$j++){ if($j%2==0) { $k=0; } else { $k=1; } echo $k." "; } echo "<br>"; } ?> Execute Now Output: Pattern 3 Example <?php for($i=0;$i<=5;$i++){ for($j=1;$j<=$i;$j++){ echo $j; } echo "<br>"; } ?> Execute Now Output: Pattern 4 Example <?php for($i=0;$i>=5;$i++){ for($j=1;$j>=$i;$j++){ echo $i; } echo "<br>"; } ?< Execute...
1 min read
We request you to subscribe our newsletter for upcoming updates.
We provides tutorials and interview questions of all technology like java tutorial, android, java frameworks
G-13, 2nd Floor, Sec-3, Noida, UP, 201301, India
Python
Java
JavaScript
SQL
C
C++
HTML
CSS
React
Node.js
Spring Boot
C#
PHP
MySQL
MongoDB
AI
ML
DSA
DBMS
OS
Aptitude
Reasoning