PHP - Superglobals and Web Context
Given the URL
site.com/index.php?category=books, how would you retrieve the value 'books' in PHP?Given the URL site.com/index.php?category=books, how would you retrieve the value 'books' in PHP?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the method to access URL parameters
URL parameters are accessed using the
$_GETsuperglobal.Step 2: Use correct syntax
Access the parameter by its key:
$_GET['category'].Final Answer:
echo $_GET['category']; -> Option CQuick Check:
URL parameters use $_GET, not $_POST or $_SESSION [OK]
Quick Trick: Use $_GET['param'] for URL parameters [OK]
Common Mistakes:
- Using $_POST instead of $_GET
- Confusing $_REQUEST with $_GET
- Trying to access URL params via $_SESSION
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