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<?php function factor($i) { $i = (float) $i; if ($i > 1) { return $i * factor($i-1); } return 1; } echo factor(1000);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iXVXF
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   INIT_FCALL                                               'factor'
          1        SEND_VAL                                                 1000
          2        DO_FCALL                                      0  $0      
          3        ECHO                                                     $0
          4      > RETURN                                                   1

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

End of function factor

Generated using Vulcan Logic Dumper, using php 8.0.0


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