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Editorial Team
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Asked: 2026-06-09T10:43:26+00:00

I have a .php file that takes some information from the parameters in its

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I have a .php file that takes some information from the parameters in its URL. This was working fine until I realized that each time I called the URL, there would be a different amount of variables.

Example:

www.myurl.com/webserivce?var1=20&var2=30

www.myurl.com/webserivce?var1=20&var2=30&var3=40

If I have 3 variables in my .php file, and only send the URL with 2, it crashes.

One potential work around is that I have 3 variables, and only send 1, I could fill the other 2 with ‘NULL’ or something like that:
www.myurl.com/webserivce?var1=20&var2=NULL&var3=NULL

I was just wondering if there was a better way.

BTW I am sending this URL request from an iOS app.

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1 Answer

  1. Editorial Team

    This is your friend. You’re probably not checking to see if the variables are set and trying to do things with them hence resulting in a crash due to an access on a NULL variable.

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