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<?php function test() { return null; } $res = test(); if ((int) !($res)) echo "null";
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/5Y7DQ
function name:  (null)
number of ops:  8
compiled vars:  !0 = $res
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   INIT_FCALL                                               'test'
          1        DO_FCALL                                      0  $1      
          2        ASSIGN                                                   !0, $1
    6     3        BOOL_NOT                                         ~3      !0
          4        CAST                                          4  ~4      ~3
          5      > JMPZ                                                     ~4, ->7
          6    >   ECHO                                                     'null'
          7    > > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5Y7DQ
function name:  test
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E > > RETURN                                                   null
    4     1*     > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


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