Fix PHP 8.1 "strlen(null)" exception which blocks rendering a File page when Alt Text was altered
strlen() was used in Phabricator to check if a generic value is a non-empty string.
This behavior is deprecated since PHP 8.1. Phorge adopts phutil_nonempty_string() as a replacement.
Note: this may highlight other absurd input values that might be worth correcting
instead of just ignoring. If phutil_nonempty_string() throws an exception in your
instance, report it to Phorge to evaluate and fix that specific corner case.
Applied these two changes on top of D25186.
Added an Alt Text to a file; page of the File now rendered correctly in web browser.
Removed Alt Text from a file; page of the File now rendered correctly in web browser.
Reviewers: O1 Blessed Committers, valerio.bozzolan
Reviewed By: O1 Blessed Committers, valerio.bozzolan
Subscribers: speck, tobiaswiese, valerio.bozzolan, Matthew, Cigaryno
Maniphest Tasks: T15342
Differential Revision: https://we.phorge.it/D25187