Some best practices and standards for PHP coding. A PHP developer must know the standards not just for PHP but overall programming standards.
Few basic tips you must know to improve your website performance before you jump into a detail analysis for performance optimization.
Tips to reduce defects starting from development to production movement. For a developer to deliver quality software and earn reputation.
Use prepared statements instead of direct SQL statements in PHP to avoid SQL injection. Write prepared statements for SELECT, INSERT, UPDATE and DELETE.