PHP - Sessions and Cookies
Which PHP function must be called before accessing or setting any session variables?
Which PHP function must be called before accessing or setting any session variables?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the correct function to begin a session
The function
session_start()initializes the session and must be called before using$_SESSION.Step 2: Check other options
Other options are invalid or do not exist in PHP.
Final Answer:
session_start() -> Option DQuick Check:
Start session = session_start() [OK]
Quick Trick: Always call session_start() before using $_SESSION [OK]
Common Mistakes:
- Using wrong function names
- Not calling session_start() before $_SESSION
- Calling session_start() after output
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