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<?php class T { function __toString(){ echo "before"; throw new Exception; } } $t = new T; try { echo substr($t, 0, 0); echo " after"; } catch (Exception $e) { echo "caught"; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Found catch point at position: 12
Branch analysis from position: 12
2 jumps found. (Code = 107) Position 1 = 13, Position 2 = -2
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6asgF
function name:  (null)
number of ops:  15
compiled vars:  !0 = $t, !1 = $e
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   DECLARE_CLASS                                            't'
    8     1        NEW                                              $2      'T'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
   10     4        INIT_FCALL                                               'substr'
          5        SEND_VAR                                                 !0
          6        SEND_VAL                                                 0
          7        SEND_VAL                                                 0
          8        DO_ICALL                                         $5      
          9        ECHO                                                     $5
   11    10        ECHO                                                     '+after'
         11      > JMP                                                      ->14
   12    12  E > > CATCH                                       last         'Exception'
   13    13    >   ECHO                                                     'caught'
   14    14    > > RETURN                                                   1

Class T:
Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 108) Position 1 = -2
filename:       /in/6asgF
function name:  __toString
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ECHO                                                     'before'
    4     1        NEW                                              $0      'Exception'
          2        DO_FCALL                                      0          
          3      > THROW                                         0          $0
    5     4*       VERIFY_RETURN_TYPE                                       
          5*     > RETURN                                                   null

End of function __tostring

End of class T.

Generated using Vulcan Logic Dumper, using php 8.0.0


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