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<?php $TEST = ""; if ($TEST.is_null()) echo "true"; else echo "false";
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5Ttg9
function name:  (null)
number of ops:  9
compiled vars:  !0 = $TEST
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, ''
    5     1        INIT_FCALL                                               'is_null'
          2        DO_ICALL                                         $2      
          3        CONCAT                                           ~3      !0, $2
          4      > JMPZ                                                     ~3, ->7
    6     5    >   ECHO                                                     'true'
          6      > JMP                                                      ->8
    8     7    >   ECHO                                                     'false'
          8    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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