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<?php function foo(&$object = null) { echo("Yay\n"); } call_user_func_array(new stdClass(), array());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vIWPC
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   NEW                                              $0      'stdClass'
          1        DO_FCALL                                      0          
          2        INIT_USER_CALL                                0          'call_user_func_array', $0
          3        SEND_ARRAY                                               <array>
          4        CHECK_UNDEF_ARGS                                         
          5        DO_FCALL                                      0          
          6      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vIWPC
function name:  foo
number of ops:  3
compiled vars:  !0 = $object
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV_INIT                                        !0      null
          1        ECHO                                                     'Yay%0A'
          2      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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