3v4l.org

run code in 300+ PHP versions simultaneously
<?php class First { } class Second extends First { } function x(First $f) { var_dump($f); } x(new Second());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/g6Dgb
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                               'x'
          1        NEW                                              $0      'Second'
          2        DO_FCALL                                      0          
          3        SEND_VAR                                                 $0
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Function x:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/g6Dgb
function name:  x
number of ops:  5
compiled vars:  !0 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   RECV                                             !0      
   12     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
   13     4      > RETURN                                                   null

End of function x

Class First: [no user functions]
Class Second: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
175.3 ms | 1396 KiB | 16 Q