Fix #69 (#70)

* Fix notices, fixes #69

Author: k1sul1

inc/wplf-ajax.php

@@ -65,8 +65,11 @@ function wplf_ajax_submit_handler() {
       $attach_id = media_handle_upload( $key, 0, array(), array(
         'test_form' => false,
       ) );
-      add_post_meta( $post_id, $key, wp_get_attachment_url( $attach_id ) );
-      add_post_meta( $post_id, $key . '_attachment', $attach_id );
+
+      if ( ! is_wp_error( $attach_id ) ) {
+        add_post_meta( $post_id, $key, wp_get_attachment_url( $attach_id ) );
+        add_post_meta( $post_id, $key . '_attachment', $attach_id );
+      }
     }
 
     // save email copy address to submission meta for later use

inc/wplf-form-actions.php

@@ -74,14 +74,14 @@ function wplf_send_email_copy( $return, $submission_id = null ) {
     $subject = apply_filters( "wplf_{$form->post_name}_email_copy_subject", $subject );
     $content = apply_filters( "wplf_{$form->post_name}_email_copy_content", $content );
     $headers = apply_filters( "wplf_{$form->post_name}_email_copy_headers", $headers );
-    $attachments = apply_filters( "wplf_{$form->post_name}_email_copy_attachments", $attachment );
+    $attachments = apply_filters( "wplf_{$form->post_name}_email_copy_attachments", $attachments );
 
     // form ID specific filters
     $to = apply_filters( "wplf_{$form->ID}_email_copy_to", $to );
     $subject = apply_filters( "wplf_{$form->ID}_email_copy_subject", $subject );
     $content = apply_filters( "wplf_{$form->ID}_email_copy_content", $content );
     $headers = apply_filters( "wplf_{$form->ID}_email_copy_headers", $headers );
-    $attachments = apply_filters( "wplf_{$form->ID}_email_copy_attachments", $attachment );
+    $attachments = apply_filters( "wplf_{$form->ID}_email_copy_attachments", $attachments );
 
     wp_mail( $to, $subject, $content, $headers, $attachments );
   }