Zend\Barcode\Object\Code128::_isDigit
Checks if the next $length chars of $string starting at $pos are numeric.
Returns false if the end of the string is reached.
Signature
protected function _isDigit(string
$string,
[int
$pos = 2,
[integer
$length = 2]] )
Parameters
$string
— string- String to search
$pos
— int- Starting position
$length
— integer- Length to search
Returns
- bool