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<?php class A {} class B extends A {} $B = new B; function something( A $class ) { print_r( $class ); } something( $B );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/35E2E
function name:  (null)
number of ops:  7
compiled vars:  !0 = $B
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   NEW                                              $1      'B'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   13     3        INIT_FCALL                                               'something'
          4        SEND_VAR                                                 !0
          5        DO_FCALL                                      0          
          6      > RETURN                                                   1

Function something:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/35E2E
function name:  something
number of ops:  5
compiled vars:  !0 = $class
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   RECV                                             !0      
   10     1        INIT_FCALL                                               'print_r'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
   11     4      > RETURN                                                   null

End of function something

Class A: [no user functions]
Class B: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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