function bankCardCheck($card='', $irCard=true)
{
    $card = (string) preg_replace('/\D/','',$card);
    $strlen = strlen($card);
    if($irCard==true and $strlen!=16)
        return false;
    if($irCard!=true and ($strlen<13 or $strlen>19))
        return false;
    if(!in_array($card[0],[2,4,5,6,9]))
        return false;
    
    for($i=0; $i<$strlen; $i++)
    {
        $res[$i] = $card[$i];
        if(($strlen%2)==($i%2))
        {
            $res[$i] *= 2;
            if($res[$i]>9)
                $res[$i] -= 9;        
        }
    }
    return array_sum($res)%10==0?true:false;    
}
 
$card = '1111222233334444';
if(bankCardCheck($card))
    echo 'ok';
else
    echo 'err';

require_once dirname(__FILE__) . '/Occasion.php';
 
$time = time(); // timestamp or 2017/05/01 or 01 May 2017
$occasion=occasion($time)
 
echo '<pre>';
print_r($occasion);
echo '</pre>';
    
/*
$occasion= array(
        'miladi'=>occasion,
        'shamsi'=>occasion,
        'ghamari'=>occasion
    );
*/

require_once dirname(__FILE__) . '/NationalCode.php';
 
$nationalCode = 1234567890;
if($code=locationWithNationalCode($nationalCode))
{
    echo '<pre>';
    print_r($code);
    echo '</pre>';
    
    /*
    $code= array(
            'code'=>NationalCode,
            'state'=>State,
            'city'=>City
        );
    */
}
else
    echo 'Invalid National Code';

function CheckNationalCode($code='')
{
    $code = (string) preg_replace('/[^0-9]/','',$code);
    if(strlen($code)>10 or strlen($code)<8)
        return false;
    
    // --- Added by omid Aran ---\\
    $code = str_pad($code, 10, 0, STR_PAD_LEFT);
    for($i=0; $i<10; $i++)
        $blist[] = str_pad($i, 10, $i, STR_PAD_LEFT);
    
    if(in_array($code, $blist))
        return false;
    // ------------------------\\
    
    $list_code = str_split($code);
    $last = (int) $list_code[9];
    unset($list_code[9]);
    $i = 10;
    $sum = 0;
    foreach($list_code as $key=>$_)
    {
        $sum += intval($_) * $i;
        $i--;
    }
    
    $mod =(int) $sum % 11;
    if($mod >= 2)
        $mod = 11 - $mod;
    
    return $mod == $last;
}
 
$code = 1231234567;
if(CheckNationalCode($code))
    echo 'ok';
else
    echo 'err';