PHP - Superglobals and Web Context
Which of the following is the correct way to access a form field named
username using $_REQUEST in PHP?Which of the following is the correct way to access a form field named username using $_REQUEST in PHP?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall PHP array syntax
PHP superglobals like$_REQUESTare associative arrays accessed with square brackets and quotes for keys.Step 2: Identify correct syntax for accessing 'username'
The correct syntax is$_REQUEST['username']. Using arrows or dots is invalid for arrays.Final Answer:
$_REQUEST['username'] -> Option DQuick Check:
Array access uses brackets and quotes [OK]
Quick Trick: Use square brackets with quotes for $_REQUEST keys [OK]
Common Mistakes:
- Using object notation (->) instead of array syntax
- Using dot notation like in JavaScript
- Forgetting quotes around the key
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