What is the correct syntax for including a variable within curly braces in a PHP include statement?

When including a file in PHP using the `include` statement, if you want to include a variable within curly braces, you need to concatenate the variable with the string using the `.` operator. This ensures that the variable's value is properly interpolated within the included file. 

// Correct syntax for including a variable within curly braces in a PHP include statement
$variable = 'world';
include "hello_${variable}.php";

Keywords

PHP include statement variable curly braces syntax

Related Questions