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<?php function a($a, $b=1, $c=9) { var_dump($a); var_dump($b); var_dump($c); } call_user_func_array('a', [12, null, 22]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DZ6KL
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL                                               'a'
          1        SEND_ARRAY                                               <array>
          2        CHECK_UNDEF_ARGS                                         
          3        DO_FCALL                                      0          
          4      > RETURN                                                   1

Function a:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DZ6KL
function name:  a
number of ops:  13
compiled vars:  !0 = $a, !1 = $b, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV_INIT                                        !1      1
          2        RECV_INIT                                        !2      9
    4     3        INIT_FCALL                                               'var_dump'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                                 
    5     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
    6     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !2
         11        DO_ICALL                                                 
    7    12      > RETURN                                                   null

End of function a

Generated using Vulcan Logic Dumper, using php 8.0.0


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