[Solved] Why does PHP allow both // and # for single-line comments? — Ans: To support different programming styles and compatibility | PHP

PHP - Basics and Execution Model

Why does PHP allow both // and # for single-line comments?

ATo support different programming styles and compatibility

BBecause # is used only in HTML comments

CBecause // is deprecated

DTo confuse beginners

Step-by-Step Solution

Solution:

Step 1: Understand PHP comment history
PHP supports multiple comment styles for flexibility and compatibility with other languages.
Step 2: Purpose of multiple styles
// is common in C-like languages; # is common in shell scripting.
Final Answer:
Supports different styles and compatibility -> Option A
Quick Check:
Multiple comment styles reason = B [OK]

Quick Trick: PHP supports // and # for style compatibility [OK]

Common Mistakes:

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Why does PHP allow both // and # for single-line comments?