[Solved] Mythweb PHP 7.4 Errors

[TMonster]

Combined frontend / backend running on Arch Linux

After upgrading PHP to 7.4, Mythweb is showing an error several times when looking at the TV Listings (/mythweb/tv/list)

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Warning at /var/lib/mythtv/mythweb/modules/tv/includes/programs.php, line 204:
!!NoTrans: Creating default object from empty value!!

Which is this section:

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        // Add this program to the channel hash, etc.
            $these_programs[]                          =& $program;
            $channel_hash[$data['chanid']]->programs[] =& $program;

(Line 204 is channel_hash)

Downgrading the packages php & php-apache back to 7.3.12 resolves this problem, so this appears to be due to the PHP upgrade.

I don't know PHP well enough to determine the resolution - and my internet searches haven't helped (I've tried hacking the code, but it's just random guessing )

Does anyone have a solution for this?

[hamelg]

I applied this patch to fix this error.

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--- programs.php.ori    2019-12-11 22:16:57.423529528 +0100
+++ programs.php        2019-12-11 22:55:37.649127471 +0100
@@ -201,6 +201,11 @@
             }
         // Add this program to the channel hash, etc.
             $these_programs[]                          =& $program;
+
+            // Creating default object from empty value php warning
+            $channel_hash[$data['chanid']] = new stdClass();
+            
             $channel_hash[$data['chanid']]->programs[] =& $program;
         // Cleanup
             unset($program);

[TMonster]

Thanks @hamelg

That now works perfectly!

Did you want to raise a ticket on the MythTV bug reporting site to get this fixed for everyone https://code.mythtv.org/trac/ - or shall I?

[TMonster]

Ticket created:#13572

[bill6502]

Pushed commit to v31 and v30. Thanks @hamelg and @TMonster.