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<?php function f($q) { if($q=0) return 1; else return f($q*($q-1)); echo " ".$q." "; } f(2); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mjN7H
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'f'
          1        SEND_VAL                                                 2
          2        DO_FCALL                                      0          
    9     3      > RETURN                                                   1

Function f:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mjN7H
function name:  f
number of ops:  15
compiled vars:  !0 = $q
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    3     1        ASSIGN                                           ~1      !0, 0
          2      > JMPZ                                                     ~1, ->5
          3    > > RETURN                                                   1
          4*       JMP                                                      ->11
    4     5    >   INIT_FCALL_BY_NAME                                       'f'
          6        SUB                                              ~2      !0, 1
          7        MUL                                              ~3      !0, ~2
          8        SEND_VAL_EX                                              ~3
          9        DO_FCALL                                      0  $4      
         10      > RETURN                                                   $4
    5    11*       CONCAT                                           ~5      '+', !0
         12*       CONCAT                                           ~6      ~5, '+'
         13*       ECHO                                                     ~6
    6    14*     > RETURN                                                   null

End of function f

Generated using Vulcan Logic Dumper, using php 8.0.0


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