Forked from saltnpixels/save_upload_field_to_custom_field.php
Created
August 22, 2018 08:33
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gravity form upload file to media library and use attachment ID in custom field
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| add_action( 'gform_after_create_post', 'gf_add_to_media_library', 10, 3 ); | |
| /** | |
| * Save file upload fields under custom post field to the library | |
| * | |
| * @param $post_id The post identifier | |
| * @param $entry The entry | |
| * @param $form The form | |
| */ | |
| function gf_add_to_media_library ( $post_id, $entry, $form ) { | |
| foreach($form['fields'] as $field){ | |
| //get media upload dir | |
| $uploads = wp_upload_dir(); | |
| $uploads_dir = $uploads['path']; | |
| $uploads_url = $uploads['url']; | |
| //if its a custom field with input type file upload. | |
| if( $field['type'] == 'post_custom_field' && $field['inputType'] == 'fileupload'){ | |
| $entry_id = $field['id']; | |
| $files = rgar ( $entry, $entry_id ); | |
| $custom_field = $field['postCustomFieldName']; //custom field key | |
| //if file field is not empty or not [] | |
| if ( $files !== '' && $files !== "[]"){ | |
| $patterns = ['[', ']', '"']; //get rid of crap | |
| $file_entry = str_replace($patterns, '', $files); | |
| $files = explode ( ',', $file_entry ); | |
| foreach ($files as $file) { | |
| //each file is a url | |
| //get the filename from end of url in match[1] | |
| $filename = pathinfo($file, PATHINFO_FILENAME); | |
| //add to media library | |
| //WordPress API for image uploads. | |
| include_once( ABSPATH . 'wp-admin/includes/image.php' ); | |
| include_once( ABSPATH . 'wp-admin/includes/file.php' ); | |
| include_once( ABSPATH . 'wp-admin/includes/media.php' ); | |
| $new_url = stripslashes($file); | |
| $result = media_sideload_image( $new_url, $post_id, $filename, 'src'); | |
| //saving the image to field or thumbnail | |
| if( strpos($field['cssClass'], 'thumb') === false ){ | |
| $attachment_ids[] = (int) get_attachment_id_from_src($result); | |
| } | |
| else{ | |
| set_post_thumbnail($post_id, (int) get_attachment_id_from_src($result) ); | |
| } | |
| } //end foreach file | |
| if ( isset( $attachment_ids ) ){ | |
| update_post_meta ($post_id, $custom_field, $attachment_ids); | |
| } | |
| } //end if files not empty | |
| } //end if custom field of uploadfile | |
| } | |
| } //end for each form field | |
| function get_attachment_id_from_src($image_src) { | |
| global $wpdb; | |
| $query = "SELECT ID FROM {$wpdb->posts} WHERE guid='$image_src'"; | |
| $id = $wpdb->get_var($query); | |
| return $id; | |
| } |
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