laipower/wp-content/plugins/w3-total-cache/UserExperience_Emoji_Extension.php

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<?php
namespace W3TC;
class UserExperience_Emoji_Extension {
public function run() {
remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
remove_action( 'wp_print_styles', 'print_emoji_styles' );
remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
remove_filter( 'the_content_feed', 'wp_staticize_emoji' );
remove_filter( 'comment_text_rss', 'wp_staticize_emoji' );
remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
remove_action( 'admin_print_styles', 'print_emoji_styles' );
add_filter( 'tiny_mce_plugins', array( $this, 'tiny_mce_plugins' ) );
add_filter( 'wp_resource_hints',
array( $this, 'wp_resource_hints' ), 10, 2 );
}
public function tiny_mce_plugins( $plugins ) {
if ( !is_array( $plugins ) ) {
return array();
}
return array_filter( $plugins,
function( $v ) {
return $v != 'wpemoji';
}
);
}
public function wp_resource_hints( $urls, $relation_type ) {
if ( !is_array( $urls ) || $relation_type != 'dns-prefetch' ) {
return $urls;
}
// remove s.w.org dns-prefetch used by emojis
return array_filter( $urls,
function( $v ) {
return ( substr( $v, 0, 16) != 'https://s.w.org/' );
}
);
}
}
$o = new UserExperience_Emoji_Extension();
$o->run();