Wordpress功能上传图片并设置为特色图片
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A function to upload an image to the media library and set it as featured image of a post. It requires 2 params. The name of the upload field and of course the post ID.This function is part of the WPelements library class available on Github. Feedback / suggestions / improvements are always welcome.
/** * Function to upload an image to the media library and set it as the featured image of a post * @param string Name of the upload field * @param int ID of the post * @return string * */ public function set_featured_image($file, $post_id){ require_once(ABSPATH . "wp-admin" . '/includes/file.php'); require_once(ABSPATH . "wp-admin" . '/includes/media.php'); $attachment_id = media_handle_upload($file, $post_id); update_post_meta($post_id, '_thumbnail_id', $attachment_id); 'ID' => $attachment_id ); wp_update_post($attachment_data); return $attachment_id; }
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