WordPress上传图片时手动给图片添加替代文本(Alt)和图像描述有些麻烦,可以通过本文的方法自动将图片名称设置为WordPress图像标题、说明和图像描述,如图:
文章源自飞鸟学习网-https://www.pk88.net/2020-1015-6.html
文章源自飞鸟学习网-https://www.pk88.net/2020-1015-6.html
将下面的代码添加到当前主题函数模板functions.php中:文章源自飞鸟学习网-https://www.pk88.net/2020-1015-6.html
- add_action( 'add_attachment', 'my_set_image_meta_upon_image_upload' );
- function my_set_image_meta_upon_image_upload( $post_ID ) {
- // Check if uploaded file is an image, else do nothing
- if ( wp_attachment_is_image( $post_ID ) ) {
- $my_image_title = get_post( $post_ID )->post_title;
- // Sanitize the title: remove hyphens, underscores & extra spaces:
- $my_image_title = preg_replace( '%\s*[-_\s]+\s*%', ' ', $my_image_title );
- // Sanitize the title: capitalize first letter of every word (other letters lower case):
- $my_image_title = ucwords( strtolower( $my_image_title ) );
- // Create an array with the image meta (Title, Caption, Description) to be updated
- // Note: comment out the Excerpt/Caption or Content/Description lines if not needed
- $my_image_meta = array(
- 'ID' => $post_ID, // Specify the image (ID) to be updated
- 'post_title' => $my_image_title, // Set image Title to sanitized title
- 'post_excerpt' => $my_image_title, // Set image Caption (Excerpt) to sanitized title
- 'post_content' => $my_image_title, // Set image Description (Content) to sanitized title
- );
- // Set the image Alt-Text
- update_post_meta( $post_ID, '_wp_attachment_image_alt', $my_image_title );
- // Set the image meta (e.g. Title, Excerpt, Content)
- wp_update_post( $my_image_meta );
- }
- }
代码可以过滤掉图片名称中的空格等多余元素,对之前上传的图片无效。文章源自飞鸟学习网-https://www.pk88.net/2020-1015-6.html 文章源自飞鸟学习网-https://www.pk88.net/2020-1015-6.html
全站资源源于网络整合,仅供学习研究,不可商用,不提供技术指导,如有侵权请告知删除,可以投稿,广告合作联系V: pk88net
继续阅读
我的微信
我的微信
微信扫一扫
评论