fill_image_title_and_alt_with_product_title.php

	function woocommerce_get_product_thumbnail( $size = 'shop_catalog', $deprecated1 = 0, $deprecated2 = 0 ) {
		global $post;
		$image_size = apply_filters( 'single_product_archive_thumbnail_size', $size );

		if ( has_post_thumbnail() ) {
			$props = wc_get_product_attachment_props( get_post_thumbnail_id(), $post );
			return get_the_post_thumbnail( $post->ID, $image_size, array(
				'title'	 => esc_attr(get_the_title()),
				'alt'    => esc_attr(get_the_title()),
			) );
		} elseif ( wc_placeholder_img_src() ) {
			return wc_placeholder_img( $image_size );
		}
	}