I’m answering this old question because I didn’t find anything better. WordPress 5.9 wp-admin\options.php line 165 checks database version (when WP was originally installed) against a number to show or not those options. if ( get_site_option( ‘initial_db_version’ ) < 32453 ) { $allowed_options[‘writing’][] = ‘use_smilies’; $allowed_options[‘writing’][] = ‘use_balanceTags’; } Not actually a solution, but maybe … Read more
The code from this page solved the problem for me. /** * Disable the emoji’s */ function disable_emojis() { remove_action( ‘wp_head’, ‘print_emoji_detection_script’, 7 ); remove_action( ‘admin_print_scripts’, ‘print_emoji_detection_script’ ); remove_action( ‘wp_print_styles’, ‘print_emoji_styles’ ); remove_action( ‘admin_print_styles’, ‘print_emoji_styles’ ); remove_filter( ‘the_content_feed’, ‘wp_staticize_emoji’ ); remove_filter( ‘comment_text_rss’, ‘wp_staticize_emoji’ ); remove_filter( ‘wp_mail’, ‘wp_staticize_emoji_for_email’ ); add_filter( ‘tiny_mce_plugins’, ‘disable_emojis_tinymce’ ); add_filter( ‘wp_resource_hints’, ‘disable_emojis_remove_dns_prefetch’, … Read more
It seems you need to change the Collation for the wp_comments and wp_commentmeta tables on your Live server to utf8mb4_unicode_ci.
Emojis replaced by ‘?’ automatically
Looking at the code, you should be able to filter it. Something like the following should do it: add_filter( ’emoji_url’, ‘wpse_232874_emoji_cdn_url’ ); function wpse_232874_emoji_cdn_url( $url ) { return ‘http://example.com/my/cdn/url/’; } …replacing http://example.com/my/cdn/url/ with whatever URL you want to use. Reference Plugin API
As noted on the codex, the option was removed in 4.3 As of WordPress 4.3, the option to disable graphic smileys was removed from new installs. There is a plugin if you want to retain the option.
Emoji support and MariaDB 10.0.30-
Best way of removing emoji support from url / slug only
To completely remove emojis this is the code: remove_action( ‘wp_head’, ‘print_emoji_detection_script’, 7 ); remove_action( ‘admin_print_scripts’, ‘print_emoji_detection_script’ ); remove_action( ‘wp_print_styles’, ‘print_emoji_styles’ ); remove_action( ‘admin_print_styles’, ‘print_emoji_styles’ ); So to check if any of those are active you could use has_action() like this: $emoji_script front = has_action( ‘wp_head’, ‘print_emoji_detection_script’ ); if( $emoji_script_front ) { // The emoji script … Read more
Yes, you can use the emoji_url filter. Note there are a few other filters available as well. A simple example would be add_filter( ’emoji_url’, function( $url ) { return ‘https://www.myowndomain.com/emoji/72×72/’; } );