I just found a possible solution for my question. The technology I was looking for is curl. Look at this posts for more Informations: stackoverflow.com/transfer-php-variables-from-one-server-to-another stackoverflow.com/sending-data-across-websites-using-from-http-and-receiving-in-https Also I this Blog Article quite useful:https://davidwalsh.name/curl-post-file
Front-end pages messed up due to HTTPS
In this site I use Elementor. I solved it by going to WP-admin > Elementor > Tools > Change address, and there I’ve changed all http:// to https:// as well. Then the problem solved. I admit I have no idea why the WPCLI search and replace operation didn’t cover Elementor tables as well.
404 Page not found error after adding ‘s’ in ‘http’ in Settings
Solved: Add these code to the functions.php file of your subsite’s theme, immediately after the initial ” AND READ THIS, BEFORE USING: https://codex.wordpress.org/Changing_The_Site_URL#Edit_functions.php if ( ! is_admin() ) { $xsiteurl = get_option( ‘home’ ); $find = array( ‘http://’, ‘https://’ ); if ( $find != ‘http://’ ) { $replace=””; $pureaddress = str_replace( $find, $replace, $xsiteurl ); … Read more
You can serve your site on both protocols http and https. This might be problem if you care about SEO (duplicate content). You can use 301 redirection to force users to be redirected from http to https. Old app will be slightly slower because of redirection but it will be working. This might be problem … Read more
You probably need to change your ‘WordPress Address (URL)’ and ‘Site Address (URL)’ to include the ‘https’ instead of the ‘http’ in your WordPress settings page under: Settings -> General Settings If this doesn’t fix it, then try getting it working with the ‘Really Simple SSL’ plugin: https://en-gb.wordpress.org/plugins/really-simple-ssl/ Update After taking a look at your … Read more
If you are using Domain Mapping plugin doing this will quickly achieve exactly what you are asking for. Go to: YOURDOMAIN/wp-admin/tools.php?page=domainmapping Under: Excluded pages, check: Force SSL for all pages. Save and you’re done. Your insecure mixed content error due to admin-ajax.php loading via http instead of via https should be gone after this.
Change home_url in searchform.php to go to HTTPS instead of HTTP
content block https from http