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<?php class A { function foo() { echo "A::foo\r\n"; } } class B extends A { function foo() { echo "B::foo\r\n"; } function sayIt(A $a) { $a->foo(); } } $a = new A; $b = new B; $a->foo(); $b->foo(); $b->sayIt(new B());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Hiotb
function name:  (null)
number of ops:  16
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   NEW                                              $2      'A'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
   20     3        NEW                                              $5      'B'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $5
   23     6        INIT_METHOD_CALL                                         !0, 'foo'
          7        DO_FCALL                                      0          
   24     8        INIT_METHOD_CALL                                         !1, 'foo'
          9        DO_FCALL                                      0          
   25    10        INIT_METHOD_CALL                                         !1, 'sayIt'
         11        NEW                                              $10     'B'
         12        DO_FCALL                                      0          
         13        SEND_VAR_NO_REF_EX                                       $10
         14        DO_FCALL                                      0          
         15      > RETURN                                                   1

Class A:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Hiotb
function name:  foo
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ECHO                                                     'A%3A%3Afoo%0D%0A'
    6     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/Hiotb
function name:  foo
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   ECHO                                                     'B%3A%3Afoo%0D%0A'
   12     1      > RETURN                                                   null

End of function foo

Function sayit:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Hiotb
function name:  sayIt
number of ops:  4
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   RECV                                             !0      
   15     1        INIT_METHOD_CALL                                         !0, 'foo'
          2        DO_FCALL                                      0          
   16     3      > RETURN                                                   null

End of function sayit

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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