Here is the result :
[Sat Nov 18 17:45:27.915854 2023] [php:warn] [pid 802] [client 123.123.123.123:35182] PHP Warning: Undefined array key "expiration_date" in /var/www/ITFLOW_FOLDER/functions.php on line 380, referer: https://ITFLOW_FOLDER/
[Sat Nov 18 17:45:27.915894 2023] [php:warn] [pid 802] [client 123.123.123.123:35182] PHP Warning: Undefined array key "expiration_date" in /var/www/ITFLOW_FOLDER/functions.php on line 384, referer: https://ITFLOW_FOLDER/
[Sat Nov 18 17:53:11.818850 2023] [php:warn] [pid 1059] [client 123.123.123.123:60786] PHP Warning: Undefined array key "expiration_date" in /var/www/ITFLOW_FOLDER/functions.php on line 380, referer: https://ITFLOW_FOLDER/
[Sat Nov 18 17:53:11.818895 2023] [php:warn] [pid 1059] [client 123.123.123.123:60786] PHP Warning: Undefined array key "expiration_date" in /var/www/ITFLOW_FOLDER/functions.php on line 384, referer: https://ITFLOW_FOLDER/
[Sat Nov 18 17:53:44.534510 2023] [php:warn] [pid 1045] [client 123.123.123.123:50466] PHP Warning: stream_socket_client(): Unable to connect to ssl://****.be:443 (Connection refused) in /var/www/ITFLOW_FOLDER/functions.php on line 436, referer: https://ITFLOW_FOLDER/
[Sat Nov 18 17:56:54.666425 2023] [mpm_prefork:notice] [pid 764] AH00170: caught SIGWINCH, shutting down gracefully
[Sat Nov 18 17:56:54.829019 2023] [mpm_prefork:notice] [pid 1174] AH00163: Apache/2.4.52 (Ubuntu) OpenSSL/3.0.2 configured -- resuming normal operations
[Sat Nov 18 17:56:54.829065 2023] [core:notice] [pid 1174] AH00094: Command line: '/usr/sbin/apache2'
[Sat Nov 18 17:57:19.490267 2023] [php:warn] [pid 1176] [client 123.123.123.123:51700] PHP Warning: Undefined array key "expiration_date" in /var/www/ITFLOW_FOLDER/functions.php on line 380, referer: https://ITFLOW_FOLDER/client_domains.php?client_id=1
[Sat Nov 18 17:57:19.490316 2023] [php:warn] [pid 1176] [client 123.123.123.123:51700] PHP Warning: Undefined array key "expiration_date" in /var/www/ITFLOW_FOLDER/functions.php on line 384, referer: https://ITFLOW_FOLDER/client_domains.php?client_id=1
[Sat Nov 18 17:58:04.597817 2023] [php:warn] [pid 1177] [client 123.123.123.123:50210] PHP Warning: Undefined array key "expiration_date" in /var/www/ITFLOW_FOLDER/functions.php on line 380, referer: https://ITFLOW_FOLDER/client_domains.php?client_id=1
[Sat Nov 18 17:58:04.597889 2023] [php:warn] [pid 1177] [client 123.123.123.123:50210] PHP Warning: Undefined array key "expiration_date" in /var/www/ITFLOW_FOLDER/functions.php on line 384, referer: https://ITFLOW_FOLDER/client_domains.php?client_id=1
[Sat Nov 18 17:58:19.118647 2023] [php:warn] [pid 1193] [client 123.123.123.123:42630] PHP Warning: Undefined array key "expiration_date" in /var/www/ITFLOW_FOLDER/functions.php on line 380, referer: https://ITFLOW_FOLDER/client_domains.php?client_id=1
[Sat Nov 18 17:58:19.118738 2023] [php:warn] [pid 1193] [client 123.123.123.123:42630] PHP Warning: Undefined array key "expiration_date" in /var/www/ITFLOW_FOLDER/functions.php on line 384, referer: https://ITFLOW_FOLDER/client_domains.php?client_id=1