原型
_rotate_image_resource( $img, $angle )
源文件
路径:wp-admin/includes/image-edit.php
<?php
...
* @param WP_Image_Editor $image WP_Image_Editor instance.
* @param string $mime_type Image mime type.
* @param int $post_id Post ID.
*/
$saved = apply_filters( 'wp_save_image_file', null, $filename, $image, $mime_type, $post_id );
if ( null !== $saved )
return $saved;
switch ( $mime_type ) {
case 'image/jpeg':
...
?>
其他
英文文档:https://developer.wordpress.org/reference/functions/_rotate_image_resource/