As a diligent and detail-oriented web and app developer, I believe my extensive experience makes me the perfect fit for your Rapid PHP API Development project. Throughout my 5+ years in the industry, I have garnered a comprehensive understanding of different functionalities surrounding comments through numerous projects. I have expertise working with PHP, CodeIgniter, Laravel, as well as frontend technologies like HTML, JavaScript, jQuery, Ajax - all essential tools for this task.
My ability to work under pressure without compromising on quality is an advantage you'd want for this urgent project. I assure you precision and efficiency in implementing the functionalities you've described including fetching comment lists based on post ID with count and date options, managing reply lists by comment ID with count and date options, balancing like-dislike ratio per each comment ID as well as an effective comment deletion function.
Moreover, my previous work experiences focused much on basic authentication protocols vital for securing access to APIs. Thus, rest assured that your API will be designed for optimum security. Additionally, my ability to think on my feet allows me to propose suitable error handling mechanisms when necessary. Overall, I'm committed to providing quality service and completing your project within the agreed-upon timeframe. Let's turn your thoughts into reality together!