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<?php class Foo { public function foo(string $foo = null) { echo $foo; } } $foo = new Foo; $foo->foo(); $foo->foo(null); $foo->foo('bar');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/I22pT
function name:  (null)
number of ops:  12
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   NEW                                              $1      'Foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   11     3        INIT_METHOD_CALL                                         !0, 'foo'
          4        DO_FCALL                                      0          
   12     5        INIT_METHOD_CALL                                         !0, 'foo'
          6        SEND_VAL_EX                                              null
          7        DO_FCALL                                      0          
   13     8        INIT_METHOD_CALL                                         !0, 'foo'
          9        SEND_VAL_EX                                              'bar'
         10        DO_FCALL                                      0          
         11      > RETURN                                                   1

Class Foo:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/I22pT
function name:  foo
number of ops:  3
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV_INIT                                        !0      null
    6     1        ECHO                                                     !0
    7     2      > RETURN                                                   null

End of function foo

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


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