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Why must PHP code be enclosed within <?php ?> tags in a file?

hard📝 Conceptual Q10 of 15

PHP - Basics and Execution Model

Why must PHP code be enclosed within <?php ?> tags in a file?

ATo comment out the PHP code

BTo make the code visible to users

CTo tell the server to process the code as PHP

DTo declare variables in PHP

Step-by-Step Solution

Solution:

Step 1: Understand server processing
PHP code inside <?php ?> tags is recognized and executed by the server.
Step 2: Differentiate from other options
Tags do not make code visible or comment it; variables are declared inside tags but tags themselves do not declare variables.
Final Answer:
To tell the server to process the code as PHP -> Option C
Quick Check:
PHP tags = server processing signal [OK]

Quick Trick: PHP tags signal server to run code [OK]

Common Mistakes:

Thinking tags show code to users
Confusing tags with comments
Assuming tags declare variables

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