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id title category status verification_status canonical_id aliases duplicate_of source_trust_level confidence_score created_at updated_at review_reason merge_history tags raw_sources applied_in github_commit
php-comments PHP Comments Programming_Language draft conceptual
PHP 주석
B 0.88 2026-07-04 2026-07-04
php
programming
w3schools
comments
https://www.w3schools.com/php/php_comments.asp

PHP Comments

🎯 한 줄 통찰 (One-line insight)

PHP uniquely supports TWO single-line comment styles (// and #) where most languages offer just one — both are fully interchangeable and equally legal, a flexibility inherited from PHP's C-style (//) and shell-script-style (#) heritage. [S1]

🧠 핵심 개념 (Core concepts)

  • Single-line comments// or #; everything to end-of-line is ignored. [S1]
  • Multi-line comments/* ... */. [S1]
  • Purposes — explain code to others, remind yourself later, temporarily disable code for testing. [S1]
  • Ignoring code via comments — commenting out a line prevents its execution. [S1]

📖 세부 내용 (Details)

  • Two single-line styles: // This is a single-line comment and # This is also a single-line comment. [S1]
  • Comment before code: // Output welcome message echo 'Welcome Home!';. [S1]
  • Comment at line end: echo 'Welcome Home!'; // Output welcome message. [S1]
  • Disabling code: // echo 'Welcome Home!'; — the echo never runs. [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

소스에서 모순되는 정보는 발견되지 않음.

🛠️ 적용 사례 (Applied in summary)

현재 발견된 실제 적용 사례가 없습니다 — 테스트 중 특정 코드 줄을 비활성화하는 용도로 주석이 자주 쓰인다. [S1]

💻 코드 패턴 (Code patterns)

Two equivalent single-line comment styles (PHP):

// This is a single-line comment
# This is also a single-line comment

검증 상태 및 신뢰도

  • 상태: draft
  • 검증 단계: conceptual
  • 출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
  • 신뢰 점수: 0.88
  • 중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

📚 출처 (Sources)

📝 변경 이력 (Change history)

  • 2026-07-04: Initial draft synthesized from the W3Schools "PHP Comments" page (Astra wiki-curation, P-Reinforce v3.1 format).