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How to use this repository

The repository assumes you can already build and ship software. Its purpose is to make implicit knowledge explicit, correct inaccurate mental models, and expose gaps that practical experience may not naturally cover.

This is deliberately a study and interview-reference site. It does not score answers, record progress, schedule review, or maintain learner notes. Use any external note-taking or scheduling system you already trust; this repository should remain focused on the quality, organization, and reviewability of its material.

  • Step-by-step editor or installation instructions
  • Elementary syntax except where PHP behaves unexpectedly
  • Exhaustive framework API catalogues
  • Pattern advocacy without costs or counterexamples
  • Interview trivia that does not predict engineering ability
  • Correct terminology connected to recognizable practice
  • Runtime and framework behavior beneath convenient APIs
  • Boundaries, invariants and failure modes
  • Current practice alongside common legacy code
  • Answers that distinguish a regular response from a senior response

Use the knowledge audit before choosing a study route.

Use the terminology glossary to name a mechanism precisely and commonly confused concepts to recover a boundary between similar terms. Then return to the owning topic and explain the mechanism, consequence, trade-off, and one concrete production example in your own words; definitions alone are not a complete interview answer.

Canonical question banks pair stable question anchors with a closed example answer directly beneath each question. Answer first, then expand the example for comparison. Scenario collections instead provide an evidence packet and an open task for diagnosis, review, design, or implementation. Time-box a first pass with the discussion guide closed, state assumptions and unknowns, rank risks or hypotheses, choose discriminating evidence, and define mitigation plus verification. Open the guide and owning links only afterward, then revisit the specific gap rather than rereading the repository.