Detect leap year

Detect leap year for gregorian and shamsi date.

function gLeapYear($year)
{
    if (($year % 4 == 0) and (($year % 100 != 0) or ($year % 400 == 0)))
        return true;
    else
        return false;
}
 
function sLeapYear($year)
{
    $ary = array(1, 5, 9, 13, 17, 22, 26, 30);
    $b = $year % 33;
    if (in_array($b, $ary))
        return true;
    return false;
}
 
echo sLeapYear(1392).' ';
echo gLeapYear(2013);

Tags

No tag here.
Short link to this page: vtwo.org/1689476

Recommended pages

Resize image function...

Resize image function for jpg format. $mood between max and min. if you choose max, this mean max size of image is $ta otherwise min size of image is $ta. function makeTheThumb( $ppath, $ta, $mood ) ...

Gregorian to Persian Date Convertor...

Gregorian to Persian Date Convertor....

Encrypt and Decrypt function with different outputs...

Encrypt function return different value with each execute but decrypt function return input value. for example: first execute: encrypt('hello') => 'axxdfg34', decrypt('axxdfg34') return 'hello'...

Number Format...

Format a number with grouped thousands......