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<?php $k = 'ERROR_NONE'; "JSON_$k";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uq7SM
function name:  (null)
number of ops:  5
compiled vars:  !0 = $k
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    1     0  E >   ASSIGN                                                   !0, 'ERROR_NONE'
          1        NOP                                                      
          2        FAST_CONCAT                                      ~2      'JSON_', !0
          3        FREE                                                     ~2
          4      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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