PHP Tutorial 22 - Check If Variable Is Set (PHP For Beginners)
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09 Jul 2019
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The isset function will allow you to determine if a variable has been set or not. This can be useful when checking if user input has been entered or not. The function will return either a true or false value.
For more information, check out the website:
http://howtostartprogramming.c....om/PHP/php-tutorial-
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