ドキュメント
https://www.php.net/manual/ja/class.domdocument.php
環境
作業メモ
// in Dockerfile FROM php:7.4-fpm-alpine RUN set -eux \ && apk update && apk upgrade \ && apk add php7-xml \
// in Test // Assert HTML with DOMDocument $dom = new \DOMDocument(); libxml_use_internal_errors( true ); $dom->loadHTML($response->content()); $title = $dom->getElementsByTagName('title')->item(0)->textContent; $this->assertEquals('Sample App', $title);