WordPress 禁止自动裁剪生成 768、1536、2048、-scaled 图片的方法

// 移除多余的图片尺寸
add_filter('intermediate_image_sizes_advanced', 'filter_image_sizes');
function filter_image_sizes($sizes) {
    if (isset($sizes['medium_large'])) {
        unset($sizes['medium_large']);
    }
    if (isset($sizes['1536x1536'])) {
        unset($sizes['1536x1536']);
    }
    if (isset($sizes['2048x2048'])) {
        unset($sizes['2048x2048']);
    }
    return $sizes;
}

// 禁止裁剪 -scaled 图片
add_filter('big_image_size_threshold', '__return_false');