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<?php $x = null; t($x); function t($x = 12){ var_dump($x); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/69ro3
function name:  (null)
number of ops:  5
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, null
    4     1        INIT_FCALL_BY_NAME                                       't'
          2        SEND_VAR_EX                                              !0
          3        DO_FCALL                                      0          
    8     4      > RETURN                                                   1

Function t:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/69ro3
function name:  t
number of ops:  5
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV_INIT                                        !0      12
    7     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
    8     4      > RETURN                                                   null

End of function t

Generated using Vulcan Logic Dumper, using php 8.0.0


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