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<?php $value = null; echo !is_null($value) && (string)$value != '' ? 1 : 0;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/7mvmW
function name:  (null)
number of ops:  13
compiled vars:  !0 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, null
    3     1        TYPE_CHECK                                    2  ~2      !0
          2        BOOL_NOT                                         ~3      ~2
          3      > JMPZ_EX                                          ~3      ~3, ->7
          4    >   CAST                                          6  ~4      !0
          5        IS_NOT_EQUAL                                     ~5      ~4, ''
          6        BOOL                                             ~3      ~5
          7    > > JMPZ                                                     ~3, ->10
          8    >   QM_ASSIGN                                        ~6      1
          9      > JMP                                                      ->11
         10    >   QM_ASSIGN                                        ~6      0
         11    >   ECHO                                                     ~6
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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154.8 ms | 1393 KiB | 13 Q