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

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

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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