3v4l.org

run code in 500+ PHP versions simultaneously
<?php spl_autoload_register(function ($c) { if ('ChildClass' === $c) { class ChildClass extends ParentClass {} } if ('ParentClass' === $c) { throw new \Exception('ParentClass not found.'); } }); try { new ChildClass(); } catch (\Exception $e) { echo $e->getMessage(); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
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 = 62) Position 1 = -2
filename:       /in/uh8ae
function name:  (null)
number of ops:  13
compiled vars:  !0 = $e
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'spl_autoload_register'
          1        DECLARE_LAMBDA_FUNCTION                              ~1      [0]
   10     2        SEND_VAL                                                     ~1
    3     3        DO_ICALL                                                     
   13     4        NEW                                                  $3      'ChildClass'
          5        DO_FCALL                                          0          
          6        FREE                                                         $3
          7      > JMP                                                          ->12
   14     8  E > > CATCH                                           last         'Exception'
   15     9    >   INIT_METHOD_CALL                                             !0, 'getMessage'
         10        DO_FCALL                                          0  $5      
         11        ECHO                                                         $5
   16    12    > > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 4
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 10
Branch analysis from position: 6
1 jumps found. (Code = 108) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
filename:       /in/uh8ae
function name:  {closure:/in/uh8ae:3}
number of ops:  11
compiled vars:  !0 = $c
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
    4     1        IS_IDENTICAL                                                 !0, 'ChildClass'
          2      > JMPZ                                                         ~1, ->4
    5     3    >   DECLARE_CLASS                                                'childclass', 'parentclass'
    7     4    >   IS_IDENTICAL                                                 !0, 'ParentClass'
          5      > JMPZ                                                         ~2, ->10
    8     6    >   NEW                                                  $3      'Exception'
          7        SEND_VAL_EX                                                  'ParentClass+not+found.'
          8        DO_FCALL                                          0          
          9      > THROW                                             0          $3
   10    10    > > RETURN                                                       null

End of Dynamic Function 0

Class ChildClass: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
241.01 ms | 3277 KiB | 14 Q