Description:
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Hi

There appears to be a problem with the current curl implementation in regard to duplicate post fields - especially when also wanting to post files

In order to call curl_setopt option CURLOPT_POSTFIELDS with the following data

name=Bob
name=Mary

this can be done using the string form passing

'name=Bob&name=Mary'

however it can't be done using the array form

['name'=>'Bob', 'name'=>'Mary']

for obvious reasons

When posting files it appears to be a requirement to use the array form

So what is one to do - if one wants to post duplicate field names and files?

This bug/design problem appears to be long standing and is inquired widely on the internet - however no one appears to be trying to resolve it

Is it possible this could be resolved?

The simplest solution would appear to be to handle a field name pointing to an array as a duplicate field name - so one would specify

[name=>['Bob','Mary']]

and curl_setopt would generate

name=Bob&name=Mary

I also note that this exact problem occurs when receiving posted data via $_POST - again the same solution could be used - duplicate posted fields would return an array rather than a single value

I'm also aware of a workaround - using

['name[0]'=>'Bob','name[1]'=>'Mary']

however this does not generate the correct post data - but may be understood by the server if it happens to be running PHP

Regards

Julian

Julian Rhind


Expected result:
----------------
name=Bob&name=Mary

Actual result:
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name=Mary