How to concatenate strings using concatenate operator (' . ') in PHP?
To concatenate strings in PHP, you can use the concatenation operator (' . '), which will concatenate the strings and assign the result to a variable.
How to concatenate strings using the assignment operator (' .= ') in PHP?
To concatenate strings, use the concatenation assignment operator (' .= '), which adds the argument on the right side to the argument on the left side.