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Last Updated: June 9, 2026
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Introduction to Php Tutorial 19 Isset
This video will illustrate why you need to validate form data as well as how to do it. This is the first in a series of videos on data ... Calling this function passing over a variable we shall get true if the variable was already assigned with a value which is not null. We have one glaring issue with our Database class right now. The connection values have been hard-coded. So what happens ... Hey gang, in this video we'll preform the first step of some very basic form validation to check our input fields have not been left ...
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PHP tutorial 19. isset ()
Php Tutorial - Isset
PHP isset() & empty() are really useful!
Beginner PHP Tutorial - 19 - if / else if Statement
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