KingYes/phpguide — comment on commit 14c9dddf79aeca007b3f5d7733ebf66f80d8b79f
File:  line 0
By intval:

good solution, but i think may be better just to check if all the fields are not empty,
since i can write something, erase it and still be asked .

regarding the image url check - very good.
Please commit them separately. One change = one commit