Which of the following is the correct way to interpolate a variable $name inside a string in PHP?

easy📝 Syntax Q12 of 15

PHP - Output and String Handling

Which of the following is the correct way to interpolate a variable $name inside a string in PHP?

Aecho 'Hello, $name!';

Becho Hello, $name!;

Cecho "Hello, '$name'!";

Decho "Hello, $name!";

Step-by-Step Solution

Solution:

Step 1: Check string delimiters for interpolation
PHP interpolates variables only inside double quotes, not single quotes.
Step 2: Analyze each option
echo "Hello, $name!"; uses double quotes and variable $name correctly inside the string.
Final Answer:
echo "Hello, $name!"; -> Option D
Quick Check:
Double quotes + $variable = interpolation [OK]

Quick Trick: Use double quotes for variables inside strings [OK]

Common Mistakes:

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