[wp-trac] [WordPress Trac] #59103: Gutenberg 16.4 Footnotes Critical Bug on PHP 8.0

[WordPress Trac]

#59103: Gutenberg 16.4 Footnotes Critical Bug on PHP 8.0
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 Reporter:  orangeavocad0      |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Editor             |     Version:  6.3
 Severity:  critical           |  Resolution:
 Keywords:  needs-patch php80  |     Focuses:  php-compatibility
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Comment (by ramonopoly):

 > I assume the problem is fixed if one upgrades to Gutenberg 16.5.0? How
 does one then manually fix footnotes in existing posts?

 Testing a fix over here: https://github.com/WordPress/gutenberg/pull/53713

 In the meantime you could either go into the database in `wp_postmeta`
 itself and escape the quotations, or use a filter similar to the one in
 the above PR.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59103#comment:8>
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