1. cron job 2. array functions 3. oops

Below are some sample pointers to help you prepare: Current Role and Project Experience: Explanation of your current role and the types of projects you have delivered. Questions related to the work you have done. Basic Logical Programming: Testing your hands-on skills. Assessing coding standards. Code optimization. PHP: APIs & Curl. Namespaces. Autoloading. Basic PHP questions. Object-Oriented Programming (OOP): Writing classes with variations using constructors and getter/setter methods. Assessing coding standards. Code optimization. Use of interfaces and abstract classes. Basic random questions. SOLID Principles: Applying any of the principles to a given use case. Design Patterns: Applying design patterns to given use cases. Understanding when to use which design pattern. Database: Fetching row, array, and object data. Transactions. Queries and joins. PHPUnit: Testing framework. Composer: Dependency management tool.