Created
February 25, 2018 20:44
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Not everyone is a fan of the colorful emojis. If you don’t want to use emojis in your posts, you can deactivate this feature. Your blog’s performance will thank you.
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<?php | |
/** | |
* Disable the emojis | |
*/ | |
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', 10, 2 ); | |
} | |
add_action( 'init', 'disable_emojis' ); | |
/** | |
* Filter function used to remove the tinymce emoji plugin. | |
* | |
* @param array $plugins | |
* @return array Difference betwen the two arrays | |
*/ | |
function disable_emojis_tinymce( $plugins ) { | |
if ( is_array( $plugins ) ) { | |
return array_diff( $plugins, array( 'wpemoji' ) ); | |
} else { | |
return array(); | |
} | |
} | |
/** | |
* Remove emoji CDN hostname from DNS prefetching hints. | |
* | |
* @param array $urls URLs to print for resource hints. | |
* @param string $relation_type The relation type the URLs are printed for. | |
* @return array Difference betwen the two arrays. | |
*/ | |
function disable_emojis_remove_dns_prefetch( $urls, $relation_type ) { | |
if ( 'dns-prefetch' == $relation_type ) { | |
/** This filter is documented in wp-includes/formatting.php */ | |
$emoji_svg_url = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/2/svg/' ); | |
$urls = array_diff( $urls, array( $emoji_svg_url ) ); | |
} | |
return $urls; | |
} |
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