Filter 'woocommerce_product_get_image' to custom image

gistfile1.txt

add_filter('woocommerce_product_get_image', 'downloadclub_woocommerce_product_get_image', 10, 6);

function downloadclub_woocommerce_product_get_image($image, $wc_product_obj, $size, $attr, $placeholder, $image2){

	if ( $wc_product_obj->get_image_id() ) {
		$product_id = $wc_product_obj->get_id();

		$content_url         = content_url();
		$thumb_url = '';

		if ( file_exists( WP_CONTENT_DIR . '/uploads/productshots/' . $product_id . '-profile.png' ) ) {
			$thumb_url = $content_url . '/uploads/productshots/' . $product_id . '-profile.png';
		}
		else if ( file_exists( WP_CONTENT_DIR . '/uploads/productshots/' . $product_id . '-profile.jpg' ) ) {
			$thumb_url = $content_url . '/uploads/productshots/' . $product_id . '-profile.jpg';
		}

		if($thumb_url != ''){
			$image = '<img  src="'.esc_url($thumb_url).'" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" />';
		}

	}

	return $image;

}