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<?php function test(DateTime $a = null, array $b = []) { var_dump($a, $b); }; test(new DateTime, []); test(null); test(null, null);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fe68R
function name:  (null)
number of ops:  14
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'test'
          1        NEW                                              $0      'DateTime'
          2        DO_FCALL                                      0          
          3        SEND_VAR                                                 $0
          4        SEND_VAL                                                 <array>
          5        DO_FCALL                                      0          
    8     6        INIT_FCALL                                               'test'
          7        SEND_VAL                                                 null
          8        DO_FCALL                                      0          
    9     9        INIT_FCALL                                               'test'
         10        SEND_VAL                                                 null
         11        SEND_VAL                                                 null
         12        DO_FCALL                                      0          
         13      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fe68R
function name:  test
number of ops:  7
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV_INIT                                        !0      null
          1        RECV_INIT                                        !1      <array>
    4     2        INIT_FCALL                                               'var_dump'
          3        SEND_VAR                                                 !0
          4        SEND_VAR                                                 !1
          5        DO_ICALL                                                 
    5     6      > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


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