As a senior software engineer with an impressive 8-year career, I can confidently say that I am the perfect fit for your project. Throughout my technical journey, I've maintained a strong focus on PHP frameworks such as CodeIgniter and Laravel - exactly what you're looking for. The extensive experience I gained from working on numerous complex projects has honed my proficiency in troubleshooting, debugging, and fixing PHP code.
Moreover, not only do I specialize in PHP development, but I also have a solid background in HTML and MySQL, which will come in handy when addressing the database connectivity and query issues you're currently facing. My adeptness with Node.js development is another valuable asset that adds to the speed and efficiency at which I can resolve your problems.
Indeed, working under time constraints is not unfamiliar territory to me, it often being a defining characteristic of many projects. Rest assured, I understand the importance of getting your website back up-and-running smoothly without delay. With my skills and experience parallel to your needs, choosing me means choosing a seamless resolution for your PHP and database errors - all within your desired timeframe.