How can I concatenate variables in PHP and add a comma between them?

To concatenate variables in PHP and add a comma between them, you can simply use the concatenation operator (.) to join the variables together along with the comma enclosed in quotes. This will create a single string with the variables separated by a comma. 

$var1 = "Hello";
$var2 = "World";

$result = $var1 . ", " . $var2;

echo $result; // Output: Hello, World

Keywords

PHP concatenate variables comma string manipulation

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