Tickets :: Comment on [#15093] Logfile clogged with PHP error messages when using PHP 7.4

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Comment	> When using the current Horde 5 packages with PHP 7.4, a lot messages > are sent to the log files regarding the use of array indexes with > NULL values. With PHP 7.4, this kind of access pattern causes these > notices to generated, which was not the case with earlier PHP > versions. While it's possible to adjust the Horde log level in order > to get rid of these messages, I'd prefer if this could be resolved in > the code base, at least for the majority of cases. > > One of the most prominent examples is in Horde/Themes (part of the > Horde_Core package). As this is called very often, it generates a lot > of noise in the log files. Here's an example of a message typically > logged several times per second: > > HORDE[421302]: [horde] PHP ERROR: Trying to access array offset on > value of type null [pid 421302 on line 146 of > "/usr/share/pear/Horde/Themes/Element.php"] > > This can easily be resolved by checking the value using "isset". > Attached is a simple patch for the above case of Horde/Themes. > > Other common cases that show up in the log files quite often are these two: > > PHP ERROR: Trying to access array offset on value of type null [pid > 421302 on line 396 of "[...]/kronolith/lib/CalendarsManager.php" > PHP ERROR: Trying to access array offset on value of type null [pid > 421302 on line 668 of "[...]/imp/lib/Contents.php" > > These latter ones affect Kronolith and Imp. I guess I could write > patches for these, too. I'm just not sure if applying my patches > would be even more troublesome for you than fixing this yourself. > Maybe you're not even convinced this needs fixing at all? Please let > me know what you prefer (create two new bug tickets in the respective > queues, provide patches there, or add them here) and I'll provide > patches for these additional instances or not. >
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