How to comment inside a string in PHP

Question

$var = "a
  b // I want to comment here but it becomes a string instead
  c"

I want to insert a comment in the middle of multiple line string in PHP, but I can't. I've tried /**/, //, and #.

Does anyone know how to do it?

Answer 1

$var = "a
  b ".// I want to comment here but it becomes a string instead."  
  "c";

echo $var;