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<?php function foo(&$object = null) { echo("Yay\n"); } call_user_func_array('foo', array(new stdClass()));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nZjvA
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'foo'
          1        NEW                                              $0      'stdClass'
          2        DO_FCALL                                      0          
          3        INIT_ARRAY                                       ~2      $0
          4        SEND_ARRAY                                               ~2
          5        CHECK_UNDEF_ARGS                                         
          6        DO_FCALL                                      0          
          7      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nZjvA
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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