PHP Fatal Error
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Hello,
I am using the Lite calendar on a site for family that is private, so I cannot include the link.
I’m using a shortcode on a page to render a weekly view with a Start Date of the Current Week. The Next/Previous Buttons are enabled, the Single Event display method is Current Windows. The only activated filter option is to Include Expired Events.
We’re currently in January 2022 and that displays fine. I can then advance normally through Feb, Mar & Apr. I can also go backwards through event month in 2021. However, if I try to advance to May 2022, the loading circle in the display just spins forever.
Looking into the PHP error log of the server, I can see that the process trying to retrieve the data runs for the allotted PHP maximum of 120 seconds and then times out. In each case that it does this, the PHP fatal error returns in the while loop in /wp-content/plugins/modern-events-calendar-lite/app/libraries/render.php on line 1215.
Doing some research by placing error_log lines in the file inside the while loop, I can see that this is for events with a type of yearly, which this site has a number of because of in May because of birthday entries. If I output the result of
$found < $maximumfrom the while statement,$foundis always 0.Looking deeper, I find that the
if(!in_array($month, $event_months))on line 1224 gets taken every time meaning that there is never a match between the month (05) and the content of the$event_monthsarray. As a result, $i just increments ad infinitum and, the loop is continued and the while never breaks.I’ve worked around this issue temporarily by placing a short-circuit in the while loop definition that checks if
$ihas exceeded 25. This does result in the display working. However, this is clearly not the answer, just a preventative step to stop lots of runaway processes.I am running the latest plugin (6.2.5) on WordPress 5.8.3 on a server running PHP 7.4. Everything else in ME Calendar is working nicely and normally.
Any thoughts would be most appreciated.
Thank you!
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To try and better understand this issue with no interference from anything else on my customer’s site, I’ve setup a development copy of WordPress.
– It has no plugins installed other than the ME Calendar.
– It uses the default TwentyTwentyTwo theme. All other themes were removed.
– It has just a single Weekly ME shortcode generated that is embedded on the sample page.
– It has just one, brand new event entry. The date of the event is June 1, 2021 and the repeat is yearly. Everything else in the events is default.
With this super minimal setup, the problem persists. As soon as you try to go to May 2022, the calendar goes into an infinite loop and the associated web server process goes to 100% CPU until it finally fatal errors when it reaches the PHP process time limit.
I’ve provided full admin access information on the support ticket (45671) on support.webnus.net.
Please see the initial post of this thread for some very specific data about the settings of the weekly shortcode as well as the area where the infinite loop occurs in the code.
Thank you! I appreciate the pursuit of this issue.
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