system/Validation/Rules.php
public function less_than_equal_to(string $str = null, string $max): bool
	{
		return is_numeric($str) ? ($str <= $max) : false;
	}
public function less_than_equal_to(string $str = null, string $max): bool
	{
		return is_numeric($str) ? ($str <= $max) : false;
	}
Equal to or Less than

@param string $str
@param string $max

@return boolean