3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$a) { $a = 10; throw new Exception(); } try { $a = 5; foo($a); } catch (Exception $e) { echo $e->getTraceAsString(); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Found catch point at position: 5
Branch analysis from position: 5
2 jumps found. (Code = 107) Position 1 = 6, Position 2 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2qhQb
function name:  (null)
number of ops:  10
compiled vars:  !0 = $a, !1 = $e
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   ASSIGN                                                   !0, 5
   10     1        INIT_FCALL                                               'foo'
          2        SEND_REF                                                 !0
          3        DO_FCALL                                      0          
          4      > JMP                                                      ->9
   11     5  E > > CATCH                                       last         'Exception'
   12     6    >   INIT_METHOD_CALL                                         !1, 'getTraceAsString'
          7        DO_FCALL                                      0  $4      
          8        ECHO                                                     $4
   13     9    > > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 108) Position 1 = -2
filename:       /in/2qhQb
function name:  foo
number of ops:  6
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        ASSIGN                                                   !0, 10
    5     2        NEW                                              $2      'Exception'
          3        DO_FCALL                                      0          
          4      > THROW                                         0          $2
    6     5*     > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
142.03 ms | 1401 KiB | 14 Q