It's probably the fastest way, if the PHP engine was well coded. Post as a guest Name. I test it therefor somewhat more extended:. Is it something to do with mod? In other words, its parity—the quality of an integer being even or odd—is even. Your ISP As a result, zero shares all the properties that characterize even numbers: 0 is divisible by 2, 0 is surrounded on both sides by odd numbers, 0 is the sum of an integer 0 with itself, and a set of 0 objects can be split into two equal sets. Loek Bergman Loek Bergman 1, 14 14 silver badges 17 17 bronze badges. Read it a hundred times until it is clear.

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To find if a number is odd or even you can use one of two operators. The modulo operator (% in PHP) can be used to calculate the remainder of the value divided by 2. This gives a value of 0 for even numbers and a value of 1 for odd numbers.

You were right in thinking mod was a good place to start.

## PHP check if a number is Even or Odd GeeksforGeeks

Here is an expression which will return true if $number is even, false if odd: $number. A number is called even if the number is divisible by 2 and is called odd if it is not divisible by 2. Given a number, we need to check whether it is odd or even in.

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But I would like to mention Celoxis, software that we use ourselves, which also happens to be the software that we make.

Should we burninate the [pop] tag? Aaron W.

### php Test if number is odd or even Stack Overflow

Email Required, but never shown. Therefor will the code.

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While coding PHP applications, there are times when we need to check if a number is even, odd or.

C Program to Check Whether a Number is Even or Odd. In this example, if else statement is used to check whether a number entered by the user is even or odd.

### Odd and Even Numbers in PHP ! code

In this example, if else statement is used to check whether a number entered by the user is even or odd.

Update Cancel. Related Questions More Answers Below If an even number times an even number equals an even number, and an odd number times an even number equals an even number, where an odd numbe Programmatically, however, you can use the following trick: Say, n is any integer.

In other words, its parity—the quality of an integer being even or odd—is even.

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But yes, it can be a little confusing to people that aren't familiar with this syntax. Update Cancel.

Once the concept is understood, in C it will be one line code:.

Now, read the pseudo-code again.

Aaron W. There is already a good list of tools on this thread.