PHP urlencode differences between versions

Question

When I use urlencode() on the same string containing special characters in PHP7 and PHP 5.3.10, the results are different.

What I tried:

urlencode('Testör')

Output in PHP7: Test%C3%B6r

Output in PHP 5.3: Test%25C3%25B6r

Could someone explain what the %25 leading in the older PHP version is?

@iainn I should have tested the actual result. Sorry for this. The question have been over simplified to be wrong. The actual differences seem to be in the handling of curl_setopt($ch, CURLOPT_URL, $url). — Nico O
– Nico O, Commented Oct 2, 2017 at 10:28

David · Accepted Answer · 2017-10-02 10:23:39Z

3

It looks to me that you've URL encoded it twice in the 5.3 output. %25 stands for %. Which is missing around the C3.

answered Oct 2, 2017 at 10:23

David

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4 Comments

Nico O Over a year ago

This could be the case. Actually I tried to use this within the url of a curl request. I used the same URL in curl_setopt($ch, CURLOPT_URL, $url) and then curl_getinfo($ch, CURLINFO_EFFECTIVE_URL) to see the differences with the same input string :/

David Over a year ago

What are the results?

Nico O Over a year ago

I get these two results of PHP7 and PHP5.3 with the same code: http://192.168.1.1/update?name=file.zip&title=Test%C3%B6r http://192.168.1.1/update?name=file.zip&title=Test%25C3%25B6r I guess there are difference in the url handling of curl

Nico O Over a year ago

I will check your answer as correct, as it is the correct answer... still have to research this odd default encoding ...

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