ddawg boog

gistfile1.php

	public function setCustomValidationrules()
	{
		$this->validator->addExtension('elevate_number', function($attribute, $value, $parameters)
		{
			$elevate_num = $value;
			if (empty($elevate_num)) {
				return false;
			}
			if(strlen($elevate_num) != 11){
				return false;
			}
			$elevate_digits = str_split($elevate_num);
			$digit_total = 0;
			$digit_total += $elevate_digits[0] * 6;
			$digit_total += $elevate_digits[1] * 5;
			$digit_total += $elevate_digits[2] * 4;
			$digit_total += $elevate_digits[3] * 3;
			$digit_total += $elevate_digits[4] * 8;
			$digit_total += $elevate_digits[5] * 7;
			$digit_total += $elevate_digits[6] * 6;
			$digit_total += $elevate_digits[7] * 5;
			$digit_total += $elevate_digits[8] * 4;
			$digit_total += $elevate_digits[9] * 3;
			$last_digit = $elevate_digits[10];
			$remainder = $digit_total % 11;
			if ($remainder < 2) {
				$check_digit = 0;
			} else {
				$check_digit = 11 - $remainder;
			}
			if ($check_digit == $last_digit) {
				return true;
			}
			return false;
		});
	}