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<?php function factor($n) { if ($n<=0) return 1; return $n * factor($n-1); } for($i=0;$i<1000;$i++) factor(10);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 8, Position 2 = 2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 8, Position 2 = 2
Branch analysis from position: 8
Branch analysis from position: 2
filename:       /in/5YhES
function name:  (null)
number of ops:  9
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ASSIGN                                                   !0, 0
          1      > JMP                                                      ->6
          2    >   INIT_FCALL                                               'factor'
          3        SEND_VAL                                                 10
          4        DO_FCALL                                      0          
          5        PRE_INC                                                  !0
          6    >   IS_SMALLER                                               !0, 1000
          7      > JMPNZ                                                    ~4, ->2
          8    > > RETURN                                                   1

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

End of function factor

Generated using Vulcan Logic Dumper, using php 8.0.0


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