public function testIsDigital()
{
$this->assertTrue(SpoonFilter::isDigital('010192029'));
$this->assertTrue(SpoonFilter::isDigital(1337));
$this->assertFalse(SpoonFilter::isDigital('I can has cheezeburger'));
$this->assertFalse(SpoonFilter::isDigital(array()));
}
/**
* Checks if this field only contains numbers 0-9.
*
* @return bool
* @param string[optional] $error The error message to set.
*/
public function isDigital($error = null)
{
// filled
if ($this->isFilled()) {
// post/get data
$data = $this->getMethod(true);
// validate
if (!isset($data[$this->attributes['name']]) || !SpoonFilter::isDigital($data[$this->attributes['name']])) {
if ($error !== null) {
$this->setError($error);
}
return false;
}
return true;
}
// not submitted
if ($error !== null) {
$this->setError($error);
}
return false;
}
