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<?php function foo() { trigger_error(E_USER_WARNING, 'dsadsa'); return false; } if (!@foo()) { echo 'Hello world', PHP_EOL; } if (@!foo()) { echo 'Hello world', PHP_EOL; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 14, Position 2 = 16
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 16
Branch analysis from position: 8
filename:       /in/dPINA
function name:  (null)
number of ops:  17
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   BEGIN_SILENCE                                    ~0      
          1        INIT_FCALL                                               'foo'
          2        DO_FCALL                                      0  $1      
          3        END_SILENCE                                              ~0
          4        BOOL_NOT                                         ~2      $1
          5      > JMPZ                                                     ~2, ->8
    6     6    >   ECHO                                                     'Hello+world'
          7        ECHO                                                     '%0A'
    9     8    >   BEGIN_SILENCE                                    ~3      
          9        INIT_FCALL                                               'foo'
         10        DO_FCALL                                      0  $4      
         11        BOOL_NOT                                         ~5      $4
         12        END_SILENCE                                              ~3
         13      > JMPZ                                                     ~5, ->16
   10    14    >   ECHO                                                     'Hello+world'
         15        ECHO                                                     '%0A'
   11    16    > > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dPINA
function name:  foo
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'trigger_error'
          1        SEND_VAL                                                 512
          2        SEND_VAL                                                 'dsadsa'
          3        DO_ICALL                                                 
          4      > RETURN                                                   <false>
          5*     > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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