/**
* @return Float
*/
public static function floatValidator()
{
$validator = new IsFloat();
$validator->setMessage("Input harus digit angka.");
return $validator;
}
/**
* Returns true if and only if $value is a number correctly expressed with the scientific notation
*
* Note that it can only validate string inputs.
*
* @param mixed $value
* @return bool
*/
public function isValid($value)
{
if (!is_scalar($value) || is_bool($value)) {
$this->error(self::INVALID_INPUT);
return false;
}
$formatter = new \NumberFormatter($this->getLocale(), \NumberFormatter::SCIENTIFIC);
$flags = 'i';
$expSymbol = 'E';
if (StringUtils::hasPcreUnicodeSupport()) {
$expSymbol = preg_quote($formatter->getSymbol(\NumberFormatter::EXPONENTIAL_SYMBOL));
$flags .= 'u';
}
// Check that exponentation symbol is present
$search = str_replace("", '', sprintf('/%s/%s', $expSymbol, $flags));
$value = str_replace("", '', $value);
if (!preg_match($search, $value)) {
$this->error(self::NOT_SCIENTIFIC);
return false;
}
// Check that the number expressed in scientific notation is a valid number
$float = new IsFloat(['locale' => $this->getLocale()]);
if (!$float->isValid($value)) {
$this->error(self::NOT_NUMBER);
return false;
}
return true;
}
/**
* {@inheritdoc}
*/
public function isValid($value)
{
$validator = new IsFloat($this->options);
return $validator->isValid($value);
}