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Which of the following statements correctly distinguishes PHP CLI execution from web server execution?

easy📝 Conceptual Q1 of 15
PHP - Basics and Execution Model
Which of the following statements correctly distinguishes PHP CLI execution from web server execution?
APHP CLI scripts always run slower than web server scripts.
BPHP CLI scripts do not have access to HTTP headers by default.
CPHP CLI scripts require a web server to execute.
DPHP CLI scripts cannot use PHP extensions.
Step-by-Step Solution
Solution:

  1. Step 1: Understand PHP CLI environment

    PHP CLI runs scripts from the command line without HTTP context.

  2. Step 2: Compare with web server execution

    Web server execution provides HTTP headers and environment variables.

  3. Final Answer:

    PHP CLI scripts do not have access to HTTP headers by default. -> Option B

  4. Quick Check:

    CLI lacks HTTP context [OK]
Quick Trick: CLI mode lacks HTTP headers [OK]
Common Mistakes:
  • Assuming CLI scripts need a web server
  • Believing CLI scripts run slower
  • Thinking PHP extensions are unavailable in CLI

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