/**
* Detect if an integer is binary or not
* Uses some nifty bit-hackery.
* If i is even then i & ( i - 1 ) == 0
* Look at that in base 2, it's neat to see it in action :)
* @param int $i Integer to test
* @return boolean is base 2
* @static
*/
public static function isBase2($i)
{
if (!EDataType::isInt($i)) {
return false;
}
return $i != 0 && ($i & $i - 1) == 0;
}
/**
* Create a new IntStr instance
* @param int $int Int
* @param string $str String
* @throws InvalidArgumentException if int is not an integer
*/
public static function create($int, $str)
{
if (!EDataType::isInt($int)) {
throw new InvalidArgumentException('int must be an integer');
}
if (empty($str)) {
$str = (string) $int;
}
$c = __CLASS__;
return new $c($int, $str);
}
/**
* Create a new IDataType instance based on the value of $val
* @param mixed $val Value
* @return IDataType instance
* @static
*/
public static function create($val)
{
$i = new EDataType();
$i->setValue($i->detectType($val));
return $i;
}
/**
* Sets the units. defaults to "px"
* @param string $units Units
*/
public function setUnits($units)
{
if (empty($units) || EDataType::isInt($units)) {
$units = 'px';
}
$this->units = $units;
}
/**
* Sets the value
* @param int $value Value
* @throws InvalidArgumentException if $value is not an integer
*/
public function setValue($value)
{
$parts = explode(' ', $value);
if (empty($parts)) {
return '';
}
if (isset($parts[0])) {
if (!EDataType::isInt((int) $parts[0])) {
throw new InvalidArgumentException("value must be an integer");
}
$this->value = (int) $parts[0];
}
if (isset($parts[1])) {
$this->setUnits($parts[1]);
}
}
