PHP - Basics and Execution Model
You want to write a PHP script that behaves differently when run via CLI or web server. Which approach correctly implements this behavior?
You want to write a PHP script that behaves differently when run via CLI or web server. Which approach correctly implements this behavior?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand how to detect execution environment
php_sapi_name() returns 'cli' for CLI mode, which is reliable for branching logic.Step 2: Evaluate other options
Checking $_SERVER['HTTP_HOST'] or $_GET is less reliable; running script twice is inefficient.Final Answer:
Use php_sapi_name() to detect 'cli' and branch logic accordingly. -> Option BQuick Check:
php_sapi_name() detects CLI vs web [OK]
Quick Trick: Detect CLI with php_sapi_name() for branching [OK]
Common Mistakes:
- Relying on $_GET or $_SERVER variables that may not exist
- Running script multiple times unnecessarily
- Assuming HTTP_HOST is always set in web server
Master "Basics and Execution Model" in PHP
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore PHP Quizzes