Ticket #19643: updated_array.diff

wp-admin/includes/file.php

@@ -1065 +1065 @@
 
 <?php
 foreach ( (array) $extra_fields as $field ) {
-        if ( isset( $_POST[ $field ] ) )
-                echo '<input type="hidden" name="' . esc_attr( $field ) . '" value="' . esc_attr( stripslashes( $_POST[ $field ] ) ) . '" />';
+        if ( isset( $_POST[ $field ] ) ) {
+                if ( is_array( $_POST[ $field ] ) ) {
+                        foreach ( $_POST[ $field ] as $array_map )
+                                echo '<input type="hidden" name="' . esc_attr( $field ) . '[]" value="' . esc_attr( stripslashes_deep( $array_map ) ) . '" />';
+
+                }
+                else
+                        echo '<input type="hidden" name="' . esc_attr( $field ) . '" value="' . esc_attr( stripslashes( $_POST[ $field ] ) ) . '" />';
+        }
 }
 submit_button( __( 'Proceed' ), 'button', 'upgrade' );
 ?>