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<?php function factorial($n) { if ($n == 0) { return 1; } else { return $n * factorial($n-1); } } // пример использования echo factorial(5); // выведет 120
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SYXrD
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   12     0  E >   INIT_FCALL                                                   'factorial'
          1        SEND_VAL                                                     5
          2        DO_FCALL                                          0  $0      
          3        ECHO                                                         $0
          4      > RETURN                                                       1

Function factorial:
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/SYXrD
function name:  factorial
number of ops:  12
compiled vars:  !0 = $n
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
    4     1        IS_EQUAL                                                     !0, 0
          2      > JMPZ                                                         ~1, ->5
    5     3    > > RETURN                                                       1
    4     4*       JMP                                                          ->11
    7     5    >   INIT_FCALL_BY_NAME                                           'factorial'
          6        SUB                                                  ~2      !0, 1
          7        SEND_VAL_EX                                                  ~2
          8        DO_FCALL                                          0  $3      
          9        MUL                                                  ~4      !0, $3
         10      > RETURN                                                       ~4
    9    11*     > RETURN                                                       null

End of function factorial

Generated using Vulcan Logic Dumper, using php 8.5.0


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