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Editorial Team
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Asked: 2026-06-11T19:05:36+00:00

I can always test this, but I wanted an official answer from a PHP

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I can always test this, but I wanted an official answer from a PHP expert (something I am most certainly not).

If someone makes a request like this:

http://www.somedomain.com/a.php?param1=value1&param2=value2&param3=value3?param1=value4&param2=value5&param3=value6

What kinds of consequences are there when I try to access _GET['param2'], for example? It looks like I just get the first value. In this case, it would return value2. Is that expected behavior?

Does the second question mark affect anything? Will there be errors, for example?

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1 Answer

  1. Editorial Team

    It just gets the last one defined. Defining a parameter more than once in the query string just runs the risk of getting potentially confusing results. It’s best to validate your query string in these instances, at least that’s what I do.

    The second question mark will be treated as part of the value for its preceding parameter.

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