Hi,
Im getting this kind of error on my server error log. It keeps my wp-admin loads to slow and not accessible.
[10-Aug-2017 09:39:35 UTC] PHP Warning: strstr() expects parameter 1 to be string, object given in /home/notice/public_html/wp-includes/functions.php on line 785
[10-Aug-2017 09:39:35 UTC] PHP Warning: stripos() expects parameter 1 to be string, object given in /home/notice/public_html/wp-includes/functions.php on line 790
[10-Aug-2017 09:39:35 UTC] PHP Warning: stripos() expects parameter 1 to be string, object given in /home/notice/public_html/wp-includes/functions.php on line 793
[10-Aug-2017 09:39:35 UTC] PHP Warning: strpos() expects parameter 1 to be string, object given in /home/notice/public_html/wp-includes/functions.php on line 800
[10-Aug-2017 09:39:35 UTC] PHP Warning: explode() expects parameter 2 to be string, object given in /home/notice/public_html/wp-includes/functions.php on line 801