![]() ![]() Minimum length, and not exceed a maximum length. Validated to contain only permitted characters. For example, if a username is submitted it must be Verify that the data is of the correct type, and meets the correctĬriteria.This process continues until you have submitted a valid form.Item, the form is redisplayed containing your data along with an If you submitted something invalid, or perhaps missed a required. ![]() ![]() Before explaining CodeIgniter’s approach to data validation, let’s ![]()
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