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<?php function test($b, $c = null){ var_dump($b); var_dump($c); } test(); test("oi", null);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bd2JH
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'test'
          1        DO_FCALL                                      0          
    9     2        INIT_FCALL                                               'test'
          3        SEND_VAL                                                 'oi'
          4        SEND_VAL                                                 null
          5        DO_FCALL                                      0          
          6      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bd2JH
function name:  test
number of ops:  9
compiled vars:  !0 = $b, !1 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV_INIT                                        !1      null
    4     2        INIT_FCALL                                               'var_dump'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                                 
    5     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                                 
    6     8      > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


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