Sounds like you have some problems in mysql function parameters occuring on PHP5.6
There are usually other problems except the MySQLi parameter.
I can build an eye-popping delivery that all the errors
Here are my services as a full stack developer on this project.
--- Front-end
1. Tailoring user experience.
2. Bringing a designer's concept to life.
3. Production, modification, and maintenance of user interface.
4. Implementing responsive design for mobile sites.
5. Integrating with back-end services, collaborating on APIs.
6. Maintaining software workflow management with a project management tool like Github.
7. Testing the site during development for usability and fixing any bugs.
--- Back-end
1. Database modification, integration, and management (MySQL, SQLite, PostgreSQL and MongoDB)
2. Using back-end frameworks to build server-side software ( RoR, Node.js )
3. Cloud computing integration ( Amazon Web Services and private cloud environments )
4. Operating systems: Linux ( Ubuntu, CentOS )
5. Content management system (CMS)development, deployment, and maintenance.
6. API integration.
7. Backup and restore technologies for website's files and DB.
--- Framework based development
Laravel5, Codeigniter3
Here are my skills to use on your project.
--- Front-end languages & frameworks
Javascript, HTML5, CSS3, AJAX, AngularJS, jQuery, Bootstrap
--- Back-end
Ruby, RoR, PHP, Node.js
Thank you and I look forward to the opportunity to work with you.