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Characters that shouldn't be in a URL

corblimey · 2007-01-14 11:58:37

I'm writing a simple encryption routine for my site, and have had some minor problems with it. Basically, I encrypt a string and then send it as a parameter to a URL, test.php?x={encrypted string} Where it's failing, it's down to certain characters in this encrypted string, so &, =, # have all caused the resulting page to…

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14-01-2007 12:58pm

#1
corblimey

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I'm writing a simple encryption routine for my site, and have had some minor problems with it. Basically, I encrypt a string and then send it as a parameter to a URL, test.php?x={encrypted string}

Where it's failing, it's down to certain characters in this encrypted string, so &, =, # have all caused the resulting page to fail. That's fine, I can simply remove these characters from the encryption routine. But I can't test all possible encrypted strings, so is there a list of characters that might cause issue in a URL like these ones?
& = # .

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#2 14-01-2007 2:33pm
Laslo

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Haha. I was just thinking about writing a function to do something similar a few minutes ago. If anyone has an array of characters already prepared, do share the wealth.

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#3 14-01-2007 3:37pm
Liam Byrne

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Use PHP's urlencode/urldecode function, or an equivalent.

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