MailSlurp documentation agent setup Title: PHPUnit email and OTP testing Description: Use MailSlurp in PHPUnit suites to create inboxes, wait for verification emails, and extract OTP codes. Canonical URL: https://www.mailslurp.com/docs/phpunit/ Markdown URL: https://www.mailslurp.com/docs/phpunit.md Use the Markdown URL as the primary plain-text context for this page. Keep API examples and MailSlurp terminology intact, and prefer the canonical URL when citing this page.