wordpress Warning: POST Content-Length of bytes exceeds the limit of bytes in Unknown on line 0

wordpress Warning: POST Content-Length of bytes exceeds the limit of bytes in Unknown on line 0

you just setting at php.ini

then set :

upload_max_filesize = 1000M;
post_max_size = 1000M;

then restart your xampp.. Check the image

or

Try pasting this to .htacces and it should work.

php_value post_max_size 2000M
php_value upload_max_filesize 2500M
php_value max_execution_time 6000000
php_value max_input_time 6000000
php_value memory_limit 2500M