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Is it possible with PHP


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Hi, I hope you are well


I have a dropdown menu and the next part of the form is checkboxes. I would like to make it so that what ever option you choose with the dropdown menu, must limit the amount of check boxes you can tick.


So if you choose a package from the dropdown menu where you would like to play 2 courses, in the next part of the form you are only allowed to tick 2 courses from the tick boxes. So if you pick two courses, the other must fade out or some pop up message must appear to tell the user he can only choose two courses, or even after you hit the submit button it the error message can appear to choose the right amount of courses.


Is this possible with PHP or is there some jQuery plugin that can do that.


Thank you

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