What is the correct syntax for including a variable in an echo command in PHP?

When including a variable in an echo command in PHP, you need to concatenate the variable with the rest of the string using the dot (.) operator. This allows you to output the variable value within the echo statement. Example: 

$name = "John";
echo "Hello, " . $name . "!"; // Output: Hello, John!

Keywords

PHP echo variable syntax concatenation

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