remove_filter example

$comment_author_url   = wp_slash( $user->user_url );
        $user_id              = $user->ID;

        if ( current_user_can( 'unfiltered_html' ) ) {
            if ( ! isset( $_POST['_wp_unfiltered_html_comment'] ) ) {
                $_POST['_wp_unfiltered_html_comment'] = '';
            }

            if ( wp_create_nonce( 'unfiltered-html-comment' ) != $_POST['_wp_unfiltered_html_comment'] ) {
                kses_remove_filters(); // Start with a clean slate.                 kses_init_filters();   // Set up the filters.                 remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
                add_filter( 'pre_comment_content', 'wp_filter_kses' );
            }
        }
    } else {
        wp_die( __( 'Sorry, you must be logged in to reply to a comment.' ) );
    }

    $comment_content = trim( $_POST['content'] );

    if ( '' === $comment_content ) {
        wp_die( __( 'Please type your comment text.' ) );
    }

foreach ( $query_result as $post ) {
            if ( ! $this->check_read_permission( $post ) ) {
                continue;
            }

            $data    = $this->prepare_item_for_response( $post, $request );
            $posts[] = $this->prepare_response_for_collection( $data );
        }

        // Reset filter.         if ( 'edit' === $request['context'] ) {
            remove_filter( 'post_password_required', array( $this, 'check_password_required' ) );
        }

        $page        = (int) $query_args['paged'];
        $total_posts = $posts_query->found_posts;

        if ( $total_posts < 1 && $page > 1 ) {
            // Out-of-bounds, run the query again without LIMIT for total count.             unset( $query_args['paged'] );

            $count_query = new WP_Query();
            $count_query->query( $query_args );
            

function unregister_meta_key( $object_type, $meta_key, $object_subtype = '' ) {
    global $wp_meta_keys;

    if ( ! registered_meta_key_exists( $object_type, $meta_key, $object_subtype ) ) {
        return false;
    }

    $args = $wp_meta_keys[ $object_type ][ $object_subtype ][ $meta_key ];

    if ( isset( $args['sanitize_callback'] ) && is_callable( $args['sanitize_callback'] ) ) {
        if ( ! empty( $object_subtype ) ) {
            remove_filter( "sanitize_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $args['sanitize_callback'] );
        } else {
            remove_filter( "sanitize_{$object_type}_meta_{$meta_key}", $args['sanitize_callback'] );
        }
    }

    if ( isset( $args['auth_callback'] ) && is_callable( $args['auth_callback'] ) ) {
        if ( ! empty( $object_subtype ) ) {
            remove_filter( "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $args['auth_callback'] );
        } else {
            remove_filter( "auth_{$object_type}_meta_{$meta_key}", $args['auth_callback'] );
        }
    }

$filter_block_context = static function( $context ) use ( $post_id, $post_type ) {
            $context['postType'] = $post_type;
            $context['postId']   = $post_id;
            return $context;
        };

        // Use an early priority to so that other 'render_block_context' filters have access to the values.         add_filter( 'render_block_context', $filter_block_context, 1 );
        // Render the inner blocks of the Post Template block with `dynamic` set to `false` to prevent calling         // `render_callback` and ensure that no wrapper markup is included.         $block_content = ( new WP_Block( $block_instance ) )->render( array( 'dynamic' => false ) );
        remove_filter( 'render_block_context', $filter_block_context, 1 );

        // Wrap the render inner blocks in a `li` element with the appropriate post classes.         $post_classes = implode( ' ', get_post_class( 'wp-block-post' ) );
        $content     .= '<li class="' . esc_attr( $post_classes ) . '">' . $block_content . '</li>';
    }

    /* * Use this function to restore the context of the template tags * from a secondary query loop back to the main query loop. * Since we use two custom loops, it's safest to always restore. */
    

$filter_link_attributes = static function() {
        return get_block_wrapper_attributes();
    };
    add_filter( 'next_comments_link_attributes', $filter_link_attributes );

    if ( $pagination_arrow ) {
        $label .= $pagination_arrow;
    }

    $next_comments_link = get_next_comments_link( $label, $max_page );

    remove_filter( 'next_posts_link_attributes', $filter_link_attributes );

    if ( ! isset( $next_comments_link ) ) {
        return '';
    }
    return $next_comments_link;
}


/** * Registers the `core/comments-pagination-next` block on the server. */

        add_filter( 'render_block_context', $filter_block_context, 1 );

        /* * We construct a new WP_Block instance from the parsed block so that * it'll receive any changes made by the `render_block_data` filter. */
        $block_content = ( new WP_Block( $block->parsed_block ) )->render( array( 'dynamic' => false ) );

        remove_filter( 'render_block_context', $filter_block_context, 1 );

        $children = $comment->get_children();

        /* * We need to create the CSS classes BEFORE recursing into the children. * This is because comment_class() uses globals like `$comment_alt` * and `$comment_thread_alt` which are order-sensitive. * * The `false` parameter at the end means that we do NOT want the function * to `echo` the output but to return a string. * See https://developer.wordpress.org/reference/functions/comment_class/#parameters. */

        $content = apply_filters( 'the_editor_content', $content, $default_editor );

        // Remove the filter as the next editor on the same page may not need it.         if ( self::$this_tinymce ) {
            remove_filter( 'the_editor_content', 'format_for_editor' );
        }

        // Back-compat for the `htmledit_pre` and `richedit_pre` filters.         if ( 'html' === $default_editor && has_filter( 'htmledit_pre' ) ) {
            /** This filter is documented in wp-includes/deprecated.php */
            $content = apply_filters_deprecated( 'htmledit_pre', array( $content ), '4.3.0', 'format_for_editor' );
        } elseif ( 'tinymce' === $default_editor && has_filter( 'richedit_pre' ) ) {
            /** This filter is documented in wp-includes/deprecated.php */
            $content = apply_filters_deprecated( 'richedit_pre', array( $content ), '4.3.0', 'format_for_editor' );
        }

        

if ( $pagination_arrow ) {
        $label = $pagination_arrow . $label;
    }

    $filter_link_attributes = static function() {
        return get_block_wrapper_attributes();
    };
    add_filter( 'previous_comments_link_attributes', $filter_link_attributes );

    $previous_comments_link = get_previous_comments_link( $label );

    remove_filter( 'previous_comments_link_attributes', $filter_link_attributes );

    if ( ! isset( $previous_comments_link ) ) {
        return '';
    }

    return $previous_comments_link;
}

/** * Registers the `core/comments-pagination-previous` block on the server. */

 'archive' === $type && ! $is_archive ) ||
        ( 'search' === $type && ! $is_search )
        ) {
        return '';
    }
    $title = '';
    if ( $is_archive ) {
        $show_prefix = isset( $attributes['showPrefix'] ) ? $attributes['showPrefix'] : true;
        if ( ! $show_prefix ) {
            add_filter( 'get_the_archive_title_prefix', '__return_empty_string', 1 );
            $title = get_the_archive_title();
            remove_filter( 'get_the_archive_title_prefix', '__return_empty_string', 1 );
        } else {
            $title = get_the_archive_title();
        }
    }
    if ( $is_search ) {
        $title = __( 'Search results' );

        if ( isset( $attributes['showSearchTerm'] ) && $attributes['showSearchTerm'] ) {
            $title = sprintf(
                /* translators: %s is the search term. */
                __( 'Search results for: "%s"' ),
                

/** * Removes the '_wp_post_thumbnail_class_filter' callback from the 'wp_get_attachment_image_attributes' * filter hook. Internal use only. * * @ignore * @since 2.9.0 * * @param string[] $attr Array of thumbnail attributes including src, class, alt, title, keyed by attribute name. */
function _wp_post_thumbnail_class_filter_remove( $attr ) {
    remove_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
}

/** * Overrides the context used in {@see wp_get_attachment_image()}. Internal use only. * * Uses the {@see 'begin_fetch_post_thumbnail_html'} and {@see 'end_fetch_post_thumbnail_html'} * action hooks to dynamically add/remove itself so as to only filter post thumbnails. * * @ignore * @since 6.3.0 * @access private * * @param string $context The context for rendering an attachment image. * @return string Modified context set to 'the_post_thumbnail'. */

    $content = '';
    // Check if the pagination is for Query that inherits the global context     // and handle appropriately.     if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {
        $filter_link_attributes = static function() use ( $wrapper_attributes ) {
            return $wrapper_attributes;
        };

        add_filter( 'previous_posts_link_attributes', $filter_link_attributes );
        $content = get_previous_posts_link( $label );
        remove_filter( 'previous_posts_link_attributes', $filter_link_attributes );
    } elseif ( 1 !== $page ) {
        $content = sprintf(
            '<a href="%1$s" %2$s>%3$s</a>',
            esc_url( add_query_arg( $page_key, $page - 1 ) ),
            $wrapper_attributes,
            $label
        );
    }
    return $content;
}

function wp_link_manager_disabled_message() {
    global $pagenow;

    if ( ! in_array( $pagenow, array( 'link-manager.php', 'link-add.php', 'link.php' ), true ) ) {
        return;
    }

    add_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
    $really_can_manage_links = current_user_can( 'manage_links' );
    remove_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );

    if ( $really_can_manage_links ) {
        $plugins = get_plugins();

        if ( empty( $plugins['link-manager/link-manager.php'] ) ) {
            if ( current_user_can( 'install_plugins' ) ) {
                $install_url = wp_nonce_url(
                    self_admin_url( 'update.php?action=install-plugin&plugin=link-manager' ),
                    'install-plugin_link-manager'
                );

                

            $mapped_nav_menu_locations = wp_map_nav_menu_locations( $theme_mods['nav_menu_locations'], $this->original_nav_menu_locations );
        }

        foreach ( $locations as $location => $description ) {
            $setting_id = "nav_menu_locations[{$location}]";

            $setting = $this->manager->get_setting( $setting_id );
            if ( $setting ) {
                $setting->transport = 'postMessage';
                remove_filter( "customize_sanitize_{$setting_id}", 'absint' );
                add_filter( "customize_sanitize_{$setting_id}", array( $this, 'intval_base10' ) );
            } else {
                $this->manager->add_setting(
                    $setting_id,
                    array(
                        'sanitize_callback' => array( $this, 'intval_base10' ),
                        'theme_supports'    => 'menus',
                        'type'              => 'theme_mod',
                        'transport'         => 'postMessage',
                        'default'           => 0,
                    )
                );

setup_postdata( $post );

    ob_start();

    /* * There's a deprecation warning generated by WP Core. * Ideally this deprecation is removed from Core. * In the meantime, this removes it from the output. */
    add_filter( 'deprecated_file_trigger_error', '__return_false' );
    comments_template();
    remove_filter( 'deprecated_file_trigger_error', '__return_false' );

    $output = ob_get_clean();
    $post   = $post_before;

    $classnames = array();
    // Adds the old class name for styles' backwards compatibility.     if ( isset( $attributes['legacy'] ) ) {
        $classnames[] = 'wp-block-post-comments';
    }
    if ( isset( $attributes['textAlign'] ) ) {
        $classnames[] = 'has-text-align-' . $attributes['textAlign'];
    }

function kses_remove_filters() {
    // Normal filtering.     remove_filter( 'title_save_pre', 'wp_filter_kses' );

    // Comment filtering.     remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
    remove_filter( 'pre_comment_content', 'wp_filter_kses' );

    // Global Styles filtering.     remove_filter( 'content_save_pre', 'wp_filter_global_styles_post', 9 );
    remove_filter( 'content_filtered_save_pre', 'wp_filter_global_styles_post', 9 );

    // Post filtering.     remove_filter( 'content_save_pre', 'wp_filter_post_kses' );