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<?php // This one $f = new Foo; try { while ($f->step()) {} } catch (FooNoMoreException $e) { die('The queue is empty for some reason'); } // Or this one $d = new Foo; while (1) { try { $d->step(); } catch (FooNoMoreException $e) { break; } } die('The queue is empty for some reason');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 4
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 19
Branch analysis from position: 19
2 jumps found. (Code = 44) Position 1 = 20, Position 2 = 14
Branch analysis from position: 20
1 jumps found. (Code = 79) Position 1 = -2
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 19
Branch analysis from position: 19
Branch analysis from position: 4
Found catch point at position: 8
Branch analysis from position: 8
2 jumps found. (Code = 107) Position 1 = 9, Position 2 = -2
Branch analysis from position: 9
1 jumps found. (Code = 79) Position 1 = -2
Found catch point at position: 17
Branch analysis from position: 17
2 jumps found. (Code = 107) Position 1 = 18, Position 2 = -2
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
filename:       /in/BQTPn
function name:  (null)
number of ops:  22
compiled vars:  !0 = $f, !1 = $e, !2 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   NEW                                              $3      'Foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $3
    6     3      > JMP                                                      ->4
          4    >   INIT_METHOD_CALL                                         !0, 'step'
          5        DO_FCALL                                      0  $6      
          6      > JMPNZ                                                    $6, ->4
          7    > > JMP                                                      ->10
    7     8  E > > CATCH                                       last         'FooNoMoreException'
    8     9    > > EXIT                                                     'The+queue+is+empty+for+some+reason'
   13    10    >   NEW                                              $7      'Foo'
         11        DO_FCALL                                      0          
         12        ASSIGN                                                   !2, $7
   14    13      > JMP                                                      ->19
   16    14    >   INIT_METHOD_CALL                                         !2, 'step'
         15        DO_FCALL                                      0          
         16      > JMP                                                      ->19
   18    17  E > > CATCH                                       last         'FooNoMoreException'
   19    18    > > JMP                                                      ->20
   14    19    > > JMPNZ                                                    1, ->14
   22    20    > > EXIT                                                     'The+queue+is+empty+for+some+reason'
         21*     > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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