Fix #80595: Resetting POSTFIELDS to empty array breaks request #6606
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This is mainly to work around curl/curl#6455, but not building the mime structure for empty hashtables is a general performance optimization, so we do not restrict it to affected cURL versions (7.56.0 to 7.75.0). The minor change to bug79033.phpt is unexpected, but should not matter in practice.
nikic
approved these changes
Jan 15, 2021
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This is mainly to work around curl/curl#6455,
but not building the mime structure for empty hashtables is a general
performance optimization, so we do not restrict it to affected cURL
versions (7.56.0 to 7.75.0).
The minor change to bug79033.phpt is unexpected, but should not matter
in practice.