In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. But here we write program; how to print factorial of any number in php. Using this function we can reverse any number with just a single line code. Hence i am using the modulus operator with divisor value as 10 for getting the remainder value to move from last into first place. Please mail your requirement at hr@javatpoint.com. return s1. Learn more about program to find reverse of number. Our Tools. Google+. Palindrome Program in PHP Output Palindrome1001 Palindrome Program in PHP with form values entered by the user Output Topic Covered Palindrome Program in PHP. How to check whether a number is palindrome or not in PHP. Then using do-while loop the reverse number is calculated and stored in the variable ‘s’. Let’s create a simple function which takes a number as an input and return the reverse of a number. 1. How to reverse a number in PHP. Write a PHP program to print sum of digits. If you know some other method then please let us know through your comments. */ $revstr = strrev($num); /* writes string into int. As PHP doesn’t provide any inbuilt function for reversing a number directly. Then using do-while loop the reverse number is calculated and stored in the variable ‘s’. If both the numbers are same then it’s a palindrome. Finally the reverse of a given number is printed. Example. C Program to print natural numbers from 1 to 10 in Reverse. You may also like-Program in C to find the smallest number using pointer Program in C to print multiplication table using pointer Program in C to display a reverse triangular word pattern Program in c to Check Whether a Number is Palindrome or Not Program in C to Calculate Sum & Average of an Array Reverse Number of 123456789= 987654321. This is also known as the implementation of a palindrome. Next: Write a PHP program to reverse the bits of an integer (32 bits unsigned). The logic behind getting a palindrome is as per the following: Facebook. C++ Code : Here we need to get last number first. in front, and a comma (",") between every group of thousands. Finding reverse number means for example take 123 then we need to get 321 is its reverse number. Logic – i) Take a number. So in PHP, it is easier for us to Reverse a number using the strrev() function. How to Create a program to print Factorial of any number? The program is quite simple. Here you will learn how to reverse a number using the PHP strrev () function. Minimum number of adjacent swaps to sort the given array; Reverse a String using Recursion; Count the number of nodes in a given binary tree; Count Set bits in a given Number; Minimum number of guesses needed to find a specific number; Check if given number is Prime - O(√N) Solution – Java Program METHOD 1– Reverse a number without using any inbuilt functions. Now, extract the last digit from the original number, multiply the reverse number with 10, add the extracted digit to reversed number, and divide the original number by 10. It asks you to enter a number and reverses the same for you. For example we reverse 121 result will be 121 so it is palindrome number. Where reverse is a variable representing the reverse of number. For example if a is an array of integers with three elements such that a = 1 a = 2 a = 3 Then on reversing the To reverse a number in PHP without using function declare a variable to store the reversed number, and initially assign zero to it. Multiplication by 10 adds a new place in the reversed number. C program to Delete all occurrences of Character from the String. It always returns the reversed form of … php program PHP Reverse Number Program print Reverse of any number using php Reverse Number In PHP Without Using Function Reverse the given number in php. Step by step working of the above C++ program: Let us assume a number entered is 4321. To know whether a string or a number is palindrome or not we will use the built-in function in PHP.. Palindrome Logic. This is also known as the implementation of a palindrome. ii) Reverse the input number. This program runs only once, i.e. Write a program in C++ to display the number in reverse order. Create a slice that starts at the end of the string, and moves backwards. We have explained two different methods to reverse a number here. After reversing we will prints the reversed number on screen. 1. Previous: Write a PHP program to add the digits of a positive integer repeatedly until the result has a single digit. First consider the number 1234. You may also like-Program in C to find the smallest number using pointer Program in C to print multiplication table using pointer Program in C to display a reverse triangular word pattern Program in c to Check Whether a Number is Palindrome or Not Program in C to Calculate Sum & Average of an Array METHOD 2 – PHP program to Reverse a number using in-built functions. Thanks for contributing an answer to Stack Overflow! We can also insert it into an infinite loop for continuous reading of a new number from the user. Even Odd Number Program in C. Swapping of a number with 2 Variable in c. Swapping of two numbers with 3 variable in c. Reverse of three number without loop in c. Reverse of a number with loop in c. Fibonacci Series Program in c. Leap year program in c. Prime number program in c. Print table program in c. Factorial of a number in c. Copyright 2015 – 2020 – webrewrite.com – All Rights Reserved. Hi, Today, we will learn how to Reverse a Number in PHP.. First consider the number 1234. Program: To reverse a number in Java, we will first take an integer as input form user and store it in a int variable.We will reverse the digits of input number using below mentioned algorithm. */ $reverse = (int) $revstr; return $reverse; } echo reverse(23456); ?> This program will read an integer positive number and reverse that number.For Example input number is 1234 after reversing number will be 4321. Write a PHP program to check whether a number is positive, negative or zero; ... Write a PHP program to reverse the string . To check palindrome of a number we will use the built-in function called as strrev () About strrev () function in PHP: This function accepts both string and numbers as the input string. Enter an integer: 2345 Reversed number = 5432. Now, extract the last digit from the original number, multiply the reverse numer with 10, add the extracted digit to reversed number, and divide the original number by 10. This program takes an integer input from the user. Post navigation. Using For loop Method. You can refer to the images for inputs and outputs. C programming Tutorial - Learn C program starting from its overview, How to write, How to set environment , How to run, Example like Add, Subtract , Division, Multiplication, Prime number… Technology Blog Where You Find Programming Tips and Tricks, Search and Replace in VI , VIM Editor – Tips, Reverse a String in PHP without using strrev() Method, Can’t Use Method Return Value in Write Context – PHP Error, Difference Between Double and Triple Equals in PHP, PHP Code to Check Whether a Number is Palindrome or Not. Enter size of the array: 5 Enter elements in array: 10 5 16 35 500 Reversed array : 500 35 16 5 10. Multiplication by 10 adds a new place in the reversed number. In this program, while loop is used to reverse a number as given in the following steps: First, the remainder of the num divided by 10 is stored in the variable digit.Now, the digit contains the last digit of num, i.e. Step by step working of the above C++ program: Let us assume a number entered is 4321. Below we have discussed about three basic and most commonly used methods of reversing strings in PHP: Reversing string using strrev(): The strrev() function is a built-in function available in PHP and is used to reverse strings. Program to print Triangle number in reverse pattern Output: Related posts: PHP program to print Diamond Pattern PHP Program to print Triangle number PHP program to print Floyd Triangle number PHP program to print Diamond Triangle number PHP Program To Print Inverted Number Pyramid […] They are explained very well below : _____ Hi, Today, we will learn how to Reverse a Number in PHP with Program . php function parameters. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. Steps to check number is palindrome or not. Input: num (1) Initialize rev_num = 0 (2) Loop while num > 0 (a) Multiply rev_num by 10 and add remainder of num divide by 10 to rev_num rev_num = rev_num*10 + num%10; (b) Divide num by 10 (3) Return rev_num. Pictorial Presentation: Sample Solution:- . PHP doesn’t provide any in-built function to reverse a number directly. C Program to to reverse a number using pointer with output. Repeat this iteration until original number becomes zero. WhatsApp. The program is quite simple. But avoid …. In the below-mentioned example, two approaches have been used to reverse a string in C language. JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. Then the while loop is used until n != 0 is false (0). © Copyright 2011-2018 www.javatpoint.com. Swap two numbers or variables using third variable in PHP . Output: 5. Developed by JavaTpoint. But avoid …. Reverse number Program in PHP Reverse number without using library function Program in PHP. March 27, 2017. C++ For Loop: Exercise-30 with Solution. The modulo operator (%) returns the remainder of a divison.