WordPress/wp-includes
iandunn 27b776fd90 Feed: Merge multiple header values to avoid fatal error.
When SimplePie parses HTTP headers, it combines multiple values for the same header into a comma-separated string. `WP_SimplePie_File` overrides the parsing, but was leaving them as an array instead.

That lead to a fatal error in PHP 8, because other parts of the codebase ended up passing an array to a function that expected a string.

Props david.binda, litemotiv, inc2734, NicolasKulka, hellofromTonya, mbabker, skithund, SergeyBiryukov, desrosj, timothyblynjacobs.
Reviewed by SergeyBiryukov, iandunn.
Merges [49803] and [49805] to the 5.6 branch.
Fixes #51056. See #51956.

Built from https://develop.svn.wordpress.org/branches/5.6@49806


git-svn-id: http://core.svn.wordpress.org/branches/5.6@49529 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-12-16 14:26:06 +00:00
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2020-11-12 19:36:36 +00:00