linebot CarouselTemplateBuilder

index.php

<?php

$columns = array();
$img_url = "https://cdn.shopify.com/s/files/1/0379/7669/products/sampleset2_1024x1024.JPG?v=1458740363";
for($i=0;$i<5;$i++) {
  $actions = array(
    new \LINE\LINEBot\TemplateActionBuilder\PostbackTemplateActionBuilder("Add to Cart","action=carousel&button=".$i),
    new \LINE\LINEBot\TemplateActionBuilder\UriTemplateActionBuilder("View","http://www.google.com")
  );
  $column = new \LINE\LINEBot\MessageBuilder\TemplateBuilder\CarouselColumnTemplateBuilder("Title", "description", $img_url , $actions);
  $columns[] = $column;
}
$carousel = new \LINE\LINEBot\MessageBuilder\TemplateBuilder\CarouselTemplateBuilder($columns);
$outputText = new \LINE\LINEBot\MessageBuilder\TemplateMessageBuilder("Carousel Demo", $carousel);