Notice: Undefined index: n in C:\Users\Marseille\Desktop\Activation W7\UwAmp\www\quezzer\question.php on line 5
this is a code tiped at question.php
$number = (int) $_GET['n'];
why i have this error! i have not understand!
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Hamid Marseille
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Have you checked the variable exists? You shouldn't just assume that the variable will be set. Before doing anything with `$_GET['n']` ensure it exists with something like `if (isset($_GET['n'])) {}`. – Mikey Jan 25 '16 at 12:03
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please do you speack french??, i am not english ;) – Hamid Marseille Jan 25 '16 at 12:14
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Mon francais est assez mauvais, mais... (Google translate au sauvetage?) Avez-vous vérifié la variable existe ? Vous ne devriez pas simplement supposer que la variable sera établi . Avant de faire quelque chose avec `$_GET['n']` assurer qu'il existe quelque chose comme `if (isset($_GET['n'])) {}` . - – Mikey Jan 25 '16 at 12:26
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no. the only problem here is the type of the $ number variable is int . I believe that the editor does not recognize the type – Hamid Marseille Jan 27 '16 at 10:02
1 Answers
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Since this is a get variable you're using, from what I understand is that you maybe trying to run the script questions.php directly. Therefore no get variables are set, try
localhost/yourfolder/questions.php?n=5
Aimal Azmi
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non le n=5 est le numéro de la question, et moi j'en 'ai que 3 questions dans la DB. ce que je veux savoir pourquoi il n'accepte pas le int ? – Hamid Marseille Jan 25 '16 at 12:20
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@HamidMarseille Stop writing your comments in french.. there might be some other users interested in what you wrote, and, of course, there are billions of human beings who don't know french at all.. – Mihai Matei Jan 25 '16 at 12:44
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