regex

Factorial Program The factorial of a number n is defined by the product of all the digits from 1 to n (including…

Fibonacci Series Fibonacci series is the one in which you will get your next term by adding previous two numbers. For example,…

Number Triangle Number triangle in PHP can be printed using for and foreach loop. There are a lot of patterns in number…

Leap Year Program A leap year is the one which has 366 days in a year. A leap year comes after every…

PHP Max() Function The max() function is used to find the highest value. Syntax: max(array_values); OR max(value1,value2,value3,value4…); Name Description Required/Optional array_values Specifies…

Palindrome Number A palindrome number is a number which remains same when its digits are reversed. For example, number 24142 is a…

Subtracting Two Numbers There are three methods to subtract two numbers: Subtraction in simple code in PHP Subtraction in form in PHP…

PHP abs() function The abs() function returns absolute value of given number. It returns an integer value but if you pass floating…

Prime Number A number which is only divisible by 1 and itself is called prime number. Numbers 2, 3, 5, 7, 11,…

Sum of Digits To find sum of digits of a number just add all the digits. For example, 14597 = 1 +…