The strtotime() function is a built-in function in PHP which is used to convert an English textual date-time description to a UNIX timestamp. Check if a number has same number of set and unset bits. You can use this to check if a number is exactly divisible by some number or not. Specifies the day as a number between 1 and 31 Example - With Numeric. Get an average number with PHP. Next: Write a JavaScript program to find the larger number from the two given positive integers, the two numbers are in the range 40..60 inclusive. Palindrome Number. How to delete an array element based on key in PHP? otherwise else statement execute and calculate the sum of odd number. Examples : Input : 42 Output : Even Explanation: The number 42 is divisible by 2 Input : 39 Output : Odd Explanation: The number … To find the even number it is pretty basic, any number divisible by 2 is an even number. For example: SELECT * FROM contacts WHERE contact_id BETWEEN 100 AND 200; This MySQL BETWEEN example would return all rows from the contacts table where the contact_id is between 100 and 200 (inclusive). 2, 256, -256, 10358, -179567 are all integers. Input a number from user to check for strong number. Using BETWEEN Query How to calculate the number of days between two dates in javascript? Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below. code. are prime numbers. Checking If a Number Is a Multiple of Some Other Number. Generally, it’s best practice to use === but in this example, value % 2 is guaranteed to return an integer or NaN, which allows us to absolutely know the type of variable we’re comparing on either side of num % 2 or 0, but not num itself.. Store this in a variable say num. Logic to check divisibility of a number. The strtotime() function is a built-in function in PHP which is used to convert an English textual date-time description to a UNIX timestamp. This page have some other good ways for checking integer number. Three useful functions for this are ... Reading the comments and the type and number of amendments to the original post solidifies my opinion on the majority of such blogs and posts where the author doesn’t have a clue or deep understanding of the (otherwise simple) matter he is writing about. To check if a number is exactly divisible by some number we need to test if it leaves 0 as remainder or not. Please write to us at contribute@geeksforgeeks.org to report any issue with the above content. What is the difference between the | and || or operator in php? An Armstrong number or Narcissistic number is a n digit number such that the sum of its digits raised to the nth power is equal to the number itself.. For example, Let's take an armstrong number: 153, which is 3 digit number, here 1 3 + 5 3 + 3 3 is 1 + 125 + 27 which is equal to 153. How to identify server IP address in PHP ? Let's take a look at the following example to understand how it basically works: This is on php.net – “Determine whether a variable is considered to be empty. -name \*.php # find all files, folders, symlinks, etc in the current directory recursively # Its filename must end with .php find . Hi all,Is there some way that i can perform this kind of if function as the coding below does not seem to work:(Code, 10 lines)All i need to do is have a message box say 'It is' when the value in A1 is in between -10 and 10 but it doesnt seem to work.… 2 is the only even prime number. General approach for prime check is discussed here. A better way to test a string for a numeric value is to create your own function that uses the TO_NUMBER function to test the string value. Toggle navigation PHP Code Checker. 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