You want to print a string that includes a variable and a newline character in PHP. Which of the following code snippets correctly achieves this?

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PHP - Variables and Data Types

You want to print a string that includes a variable and a newline character in PHP. Which of the following code snippets correctly achieves this?

Aecho "User: $user\";

Becho 'User: $user\n';

Cecho 'User: ' . $user . '\n';

Decho "User: $user\n";

Step-by-Step Solution

Solution:

Step 1: Check variable replacement and newline support
Double quotes allow variable replacement and interpret escape sequences like \n as newline.
Step 2: Analyze each option
echo 'User: $user\n'; uses single quotes, so no variable replacement or newline. echo 'User: ' . $user . '\n'; concatenates but \n inside single quotes is literal, so no newline. echo "User: $user\"; has a syntax error due to unescaped double quote.
Final Answer:
echo "User: $user\n"; -> Option D
Quick Check:
Double quotes = variable + newline support [OK]

Quick Trick: Use double quotes for variables and special characters like \n [OK]

Common Mistakes:

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