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<?php function foo(string $test = null) { echo 'foo ok'; } function bar(string $test) { echo 'bar ok'; } foo(null); bar(null);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ndq0E
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   INIT_FCALL                                               'foo'
          1        SEND_VAL                                                 null
          2        DO_FCALL                                      0          
    7     3        INIT_FCALL                                               'bar'
          4        SEND_VAL                                                 null
          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/ndq0E
function name:  foo
number of ops:  3
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV_INIT                                        !0      null
          1        ECHO                                                     'foo+ok'
          2      > RETURN                                                   null

End of function foo

Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ndq0E
function name:  bar
number of ops:  3
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        ECHO                                                     'bar+ok'
          2      > RETURN                                                   null

End of function bar

Generated using Vulcan Logic Dumper, using php 8.0.0


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