Validating checkboxes using php

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For instance, if I checked all the boxes, will not be set, so use the “empty” function to check for this case.

If it’s not empty, then this example just loops through the array ( using the “count” function to determine the size of the array ) and prints out the building codes for the buildings that were checked.

Form validation is focussed towards the user input where as the security validations should be focused on how you use the data.It is also required to add server side form validation in your form processing script.The user can disable Javascript on their server or even auto-bots might try to submit your form as well.For example, if you have set length limit in the database for a text input, it is better to do the validation before it actually gets cut off by the database system or even getting an error thrown.Often, people confuse form validations with form security.

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