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<?php function foo($a, $b = '', $c = '') { echo $a . '&' . $b . '&' . $c; } call_user_func_array('foo', ['c' => 9, 'a' => 7]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/R8C6f
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                                   'foo'
          1        SEND_ARRAY                                                   <array>
          2        CHECK_UNDEF_ARGS                                             
          3        DO_FCALL                                          1          
          4      > RETURN                                                       1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/R8C6f
function name:  foo
number of ops:  9
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      ''
          2        RECV_INIT                                            !2      ''
    4     3        CONCAT                                               ~3      !0, '%26'
          4        CONCAT                                               ~4      ~3, !1
          5        CONCAT                                               ~5      ~4, '%26'
          6        CONCAT                                               ~6      ~5, !2
          7        ECHO                                                         ~6
    5     8      > RETURN                                                       null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.5.0


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