/**
* Checks this field for numbers 0-9 and an optional - (minus) sign (in the beginning only).
*
* @return bool
* @param string[optional] $error The error message to set.
* @param int[optional] $precision The allowed number of digits after the decimal separator. Defaults to 2.
* @param bool[optional] $allowNegative Do you want to allow negative prices? Defaults to false.
* @param bool[optional] $allowCommas Do you want to use commas as a decimal separator? Defaults to true.
*/
public function isPrice($error = null, $precision = 2, $allowNegative = false, $allowCommas = true)
{
// filled
if ($this->isFilled()) {
// post/get data
$data = $this->getMethod(true);
// validate
if (!isset($data[$this->attributes['name']]) || !SpoonFilter::isPrice($data[$this->attributes['name']], $allowCommas)) {
if ($error !== null) {
$this->setError($error);
}
return false;
}
return true;
}
// not submitted
if ($error !== null) {
$this->setError($error);
}
return false;
}
