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<?php // this makes ob_end_clean raise an error ob_end_flush(); class ExceptionHandler { public function __invoke (Exception $e) { // this triggers the custom error handler ob_end_clean(); } } // this must be a class, closure does not trigger segfault set_exception_handler(new ExceptionHandler()); // exception must be throwed from error handler. set_error_handler(function() { $e = new Exception; $e->_trace = debug_backtrace(); throw $e; }); // trigger error handler $a['waa'];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VpaOO
function name:  (null)
number of ops:  14
compiled vars:  !0 = $a
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                                   'ob_end_flush'
          1        DO_ICALL                                                     
   15     2        INIT_FCALL                                                   'set_exception_handler'
          3        NEW                                                  $2      'ExceptionHandler'
          4        DO_FCALL                                          0          
          5        SEND_VAR                                                     $2
          6        DO_ICALL                                                     
   18     7        INIT_FCALL                                                   'set_error_handler'
          8        DECLARE_LAMBDA_FUNCTION                              ~5      [0]
   24     9        SEND_VAL                                                     ~5
   18    10        DO_ICALL                                                     
   27    11        FETCH_DIM_R                                          ~7      !0, 'waa'
         12        FREE                                                         ~7
         13      > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 108) Position 1 = -2
filename:       /in/VpaOO
function name:  {closure:/in/VpaOO:18}
number of ops:  9
compiled vars:  !0 = $e
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   20     0  E >   NEW                                                  $1      'Exception'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $1
   21     3        INIT_FCALL                                                   'debug_backtrace'
          4        DO_ICALL                                             $5      
          5        ASSIGN_OBJ                                                   !0, '_trace'
          6        OP_DATA                                                      $5
   23     7      > THROW                                             0          !0
   24     8*     > RETURN                                                       null

End of Dynamic Function 0

Class ExceptionHandler:
Function __invoke:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VpaOO
function name:  __invoke
number of ops:  4
compiled vars:  !0 = $e
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   RECV                                                 !0      
   10     1        INIT_FCALL                                                   'ob_end_clean'
          2        DO_ICALL                                                     
   11     3      > RETURN                                                       null

End of function __invoke

End of class ExceptionHandler.

Generated using Vulcan Logic Dumper, using php 8.5.0


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