apply_filters( 'img_caption_shortcode_width', int $width, array $atts, string $content )

2612	 *2613	 * @param int    $width    Width of the caption in pixels. To remove this inline style,2614	 *                         return zero.2615	 * @param array  $atts     Attributes of the caption shortcode.2616	 * @param string $content  The image element, possibly wrapped in a hyperlink.2617	 */2618	$caption_width = apply_filters( 'img_caption_shortcode_width', $width, $atts, $content );2619 2620	$style = '';2621 2622	if ( $caption_width ) {2623		$style = 'style="width: ' . (int) $caption_width . 'px" ';2624	}