3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class Foo { private $foo = "aa"; public function boop() { var_dump($this->foo); } } class Bar extends Foo { public function beep() { var_dump($this->foo); } } $b = new Bar(); $b->beep(); $b->boop();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Qvg0l
function name:  (null)
number of ops:  8
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   NEW                                              $1      'Bar'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   19     3        INIT_METHOD_CALL                                         !0, 'beep'
          4        DO_FCALL                                      0          
   20     5        INIT_METHOD_CALL                                         !0, 'boop'
          6        DO_FCALL                                      0          
          7      > RETURN                                                   1

Class Foo:
Function boop:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Qvg0l
function name:  boop
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_OBJ_R                                      ~0      'foo'
          2        SEND_VAL                                                 ~0
          3        DO_ICALL                                                 
    8     4      > RETURN                                                   null

End of function boop

End of class Foo.

Class Bar:
Function beep:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Qvg0l
function name:  beep
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_OBJ_R                                      ~0      'foo'
          2        SEND_VAL                                                 ~0
          3        DO_ICALL                                                 
   14     4      > RETURN                                                   null

End of function beep

Function boop:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Qvg0l
function name:  boop
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_OBJ_R                                      ~0      'foo'
          2        SEND_VAL                                                 ~0
          3        DO_ICALL                                                 
    8     4      > RETURN                                                   null

End of function boop

End of class Bar.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157 ms | 1396 KiB | 15 Q