Curly braces is a good substitution for concatenation operation in PHP. It’s is really easy to type “{}” and made our code cleaner. It’s really easy to use and most effective.
Concatenation Operation in PHP:
$var = "Love"; echo "I " .$var . "to play cricket";
we can do the same thing by using curly braces without any concatenation.
Substitution for Concatenation (Curly brace):
$var = "Love"; echo "I {$var} to play cricket";
So we can use curly braces as a substitution of concatenation of PHP
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