Sergey Biryukov 4cc11cdbdd Filesystem API: Avoid a PHP notice in WP_Filesystem_Direct::owner() and ::group() methods and their WP_Filesystem_SSH2 counterparts.
Although not officially documented in the PHP manual, `posix_getpwuid()` and `posix_getgrgid()` can return `false` in some circumstances.

Props logig.
Fixes #50373.
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git-svn-id: http://core.svn.wordpress.org/trunk@47798 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-06-12 12:35:09 +00:00
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