wordpress移除文章图片的宽度和高度属性

add_filter( 'post_thumbnail_html', 'remove_width_attribute', 10 );
add_filter( 'image_send_to_editor', 'remove_width_attribute', 10 );

function remove_width_attribute( $html ) {
    $html = preg_replace( '/(width|height)="\d*"\s/', "", $html );
    return $html;
}