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<?php declare(strict_types=1); function foo(string $foo = null, array $bar) { var_dump($foo, $bar); } foo(null, [123]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tGHmi
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'foo'
          1        SEND_VAL                                                 null
          2        SEND_VAL                                                 <array>
          3        DO_FCALL                                      0          
          4      > RETURN                                                   1

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

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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