WordPress上传图片时自动填充图片title和alt
默认情况,WordPress上传到媒体的图片title和alt为空,但是考虑到SEO,插入到文章或页面的图片必须要填写alt或者title,每张图片都要手动填写,效率太慢了。
下面的代码能够实现:
WordPress上传图片时,根据图片的名字自动填充图片title和alt等属性,拿去享用吧!
function my_set_image_meta_upon_image_upload( $post_ID ) { if ( wp_attachment_is_image( $post_ID ) ) { $my_image_title = get_post( $post_ID )->post_title; $my_image_title = preg_replace( '%\s*[-_\s]+\s*%', ' ', $my_image_title ); $my_image_title = ucwords( strtolower( $my_image_title ) ); $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 ); update_post_meta( $post_ID, '_wp_attachment_image_alt', $my_image_title ); wp_update_post( $my_image_meta ); } } add_action( 'add_attachment', 'my_set_image_meta_upon_image_upload' );