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is_even  

Type: code fragment
Added by: stephenv
Entered: 29/03/2002
Last modified: 03/12/2001
Rating: - (fewer than 3 votes)
Views: 5494
simple function to determine if a number is even or odd.


<?php
/*
is_even - returns 1 if number is even, returns 0 if it's odd

-----
DESCRIPTION

int is_even( [number] )

-----
EXAMPLE

$number = 5;
echo is_even($number); // returns 0

*/

function is_even($num)
    { 
    if(!
is_int($num/2))
        {
        return 
1;
        }
    else
        {
        return 
0;
        }
    }
?> 


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