When I want to output a string similar to echo <?php $env = 1 , ci will automatically treat env as a variable, so the output I actually see is <\?php = 1, how can I output a string containing
When I want to output a string similar to echo <?php $env = 1 , ci will automatically treat env as a variable, so the output I actually see is <\?php = 1, how can I output a string containing