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
یا کپی به این صفحه

Recommended pages

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',...

Better parse_str in php...

parse_str() is fine for simple stuff but it's not the same as PHP's built way of creating the $_GET magic variable. Why?!?......

SQL escape string function...

Escapes special characters in a string for use in an SQL statement. howewer it check get_magic_quotes_gpc function is enable or no. if true , it strips string from slashes and escaped string from spec...

Create directory function...

Create directory if not exists. function createDir( $dir ) { if ( !is_dir( $dir ) ) { mkdir( $dir, 0777 ); return true; } return false; }...