PHP - Sessions and Cookies
Which PHP function must be called before accessing or modifying
$_SESSION variables?Which PHP function must be called before accessing or modifying $_SESSION variables?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand session initialization
PHP sessions require initialization to access session variables.Step 2: Identify the correct function
The correct function to start or resume a session issession_start().Final Answer:
session_start() -> Option CQuick Check:
Callingsession_start()is mandatory before using$_SESSION[OK]
Quick Trick: Always call session_start() before using $_SESSION [OK]
Common Mistakes:
- Using incorrect function names like session_open()
- Trying to access $_SESSION without starting session
- Calling session_start() after outputting HTML
Master "Sessions and Cookies" in PHP
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