Hidden error for thumb_size

I have no problem at all on the frontend, but enabled the debug log mode just in case. Those 3 sliders are inside a SiteOrigin Editor. Here is the problems on log:

[22-Aug-2020 07:24:32 UTC] PHP Deprecated:  implode(): Passing glue string after array is deprecated. Swap the parameters in /public_html/wp-content/plugins/slider-wd/admin/models/Sliders.php on line 51
[22-Aug-2020 07:24:39 UTC] PHP Deprecated:  implode(): Passing glue string after array is deprecated. Swap the parameters in /public_html/wp-content/plugins/slider-wd/admin/models/Sliders.php on line 51
[22-Aug-2020 07:24:50 UTC] PHP Deprecated:  implode(): Passing glue string after array is deprecated. Swap the parameters in /public_html/wp-content/plugins/slider-wd/admin/models/Sliders.php on line 51
[22-Aug-2020 07:24:54 UTC] PHP Warning:  A non-numeric value encountered in /public_html/wp-content/plugins/slider-wd/framework/WDW_S_Library.php on line 1464
[22-Aug-2020 07:24:54 UTC] PHP Warning:  A non-numeric value encountered in /public_html/wp-content/plugins/slider-wd/framework/WDW_S_Library.php on line 1465

Sliders.php on line 51:
$rows = $wpdb->get_results(‘SELECT * FROM' . $wpdb->prefix . 'wdslayerWHEREslide_idIN (‘ . implode($slide_ids, ‘,’) . ‘) ORDER BYdepthASC’);

WDW_S_Library.php on line 1464 & 1465:

width: <?php echo 100 * $thumb_size ?>%;
height: <?php echo 100 * $thumb_size ?>%;

For existing problems found in CSS about sliders:
width: /*inherit*/100%;
height: /*inherit*/100%;

• This topic was modified 4 years, 7 months ago by Micyeung723.