<ul><li>A senior PHP developer is not just someone with experience, but someone who knows how to use that experience wisely.</li><li>Senior developers know how to debug by digging into the PHP documentation and challenging themselves.</li><li>Optimizing queries and understanding how MySQL processes them is an important skill for senior PHP developers.</li><li>A senior developer has a good understanding of security vulnerabilities, thinks like a hacker, and reviews code effectively.</li></ul>

How to Be a Senior PHP Developer (Without Faking It)

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