3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { final public function hello() { echo $this->foo(); } protected function foo() { return 'bar'; } } class B extends A { protected function foo() { return 'bar'; } } $a = new A(); $b = new B(); $a->hello(); $b->hello();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SJBR7
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   NEW                                              $2      'A'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
   12     3        NEW                                              $5      'B'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $5
   14     6        INIT_METHOD_CALL                                         !0, 'hello'
          7        DO_FCALL                                      0          
   15     8        INIT_METHOD_CALL                                         !1, 'hello'
          9        DO_FCALL                                      0          
         10      > RETURN                                                   1

Class A:
Function hello:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SJBR7
function name:  hello
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_METHOD_CALL                                         'foo'
          1        DO_FCALL                                      0  $0      
          2        ECHO                                                     $0
          3      > RETURN                                                   null

End of function hello

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SJBR7
function name:  foo
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E > > RETURN                                                   'bar'
          1*     > RETURN                                                   null

End of function foo

End of class A.

Class B:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SJBR7
function name:  foo
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E > > RETURN                                                   'bar'
          1*     > RETURN                                                   null

End of function foo

Function hello:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SJBR7
function name:  hello
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_METHOD_CALL                                         'foo'
          1        DO_FCALL                                      0  $0      
          2        ECHO                                                     $0
          3      > RETURN                                                   null

End of function hello

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.94 ms | 1386 KiB | 13 Q