/**
* Returns value if every character is a digit, FALSE otherwise.
* This is just like isInt(), except there is no upper limit.
*
* @param mixed $key
* @return mixed
*/
public function testDigits($key)
{
if (!$this->keyExists($key)) {
return false;
}
if (Zend_Filter::isDigits($this->_source[$key])) {
return $this->_source[$key];
}
return FALSE;
}
/**
* Returns value if every character is a digit, FALSE otherwise.
* This is just like isInt(), except there is no upper limit.
*
* @param mixed $key
* @return mixed
*/
public function isDigits($key)
{
return Zend_Filter::isDigits($this->_source[$key]);
}
/**
* @deprecated since 0.8.0
* @return void
*/
public function testIsDigits()
{
$this->assertTrue(Zend_Filter::isDigits(123456), '123456 is just digits');
$this->assertTrue(Zend_Filter::isDigits(1), '1 is just digits');
$this->assertFalse(Zend_Filter::isDigits('12345A'), '"12345A" is not just digits');
}
/**
* Returns value if every character is a digit, FALSE otherwise.
* This is just like isInt(), except there is no upper limit.
*
* @param mixed $key
* @return mixed
*/
public function testDigits($key = null)
{
if (!($value = $this->keyExists($key))) {
return false;
}
if (Zend_Filter::isDigits($value)) {
return $value;
}
return FALSE;
}
