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.

Recommended pages

PHP subwords() Function...

Function subwords, gets words by max num....

Human readable file size...

This function return formatting of file sizes in a human readable format. function formatFileSize( $size ) { $file_size = $size; $i = 0;   $name = array( 'byte', 'kB', 'MB', '...

Change timestamp to custom format...

Use this function for change timestamp to custom format......

Best way to get user ip address in php...

Here is a function to getting ip using filter of local and lan ip's. function get_ip() { $list = array( 'REMOTE_ADDR', 'CLIENT_IP', 'HTTP_CLIENT_IP', 'HTTP_PROXY_CONNECTION',...