Code-Snippets-Functions/Execute a function on a child site/WordPress/disable-auto-sizes-lazy-loading-images.txt

add_filter(
        'wp_content_img_tag',
        static function ( $image ) {
                return str_replace( ' sizes="auto, ', ' sizes="', $image );
        }
);
add_filter(
        'wp_get_attachment_image_attributes',
        static function ( $attr ) {
                if ( isset( $attr['sizes'] ) ) {
                        $attr['sizes'] = preg_replace( '/^auto, /', '', $attr['sizes'] );
                }
                return $attr;
        }
);