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<?php function fibonacci($n) { if ($n < 3) { return 1; } else { return fibonacci($n-1) + fibonacci($n-2); } } for ($n = 1; $n <= 16; $n++) { echo(fibonacci($n) . ", "); } echo("...\n"); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 2
Branch analysis from position: 10
Branch analysis from position: 2
filename:       /in/bC2Fr
function name:  (null)
number of ops:  12
compiled vars:  !0 = $n
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   ASSIGN                                                   !0, 1
          1      > JMP                                                      ->8
   13     2    >   INIT_FCALL                                               'fibonacci'
          3        SEND_VAR                                                 !0
          4        DO_FCALL                                      0  $2      
          5        CONCAT                                           ~3      $2, '%2C+'
          6        ECHO                                                     ~3
   12     7        PRE_INC                                                  !0
          8    >   IS_SMALLER_OR_EQUAL                                      !0, 16
          9      > JMPNZ                                                    ~5, ->2
   15    10    >   ECHO                                                     '...%0A'
   16    11      > RETURN                                                   1

Function fibonacci:
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/bC2Fr
function name:  fibonacci
number of ops:  16
compiled vars:  !0 = $n
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    4     1        IS_SMALLER                                               !0, 3
          2      > JMPZ                                                     ~1, ->5
    5     3    > > RETURN                                                   1
          4*       JMP                                                      ->15
    8     5    >   INIT_FCALL_BY_NAME                                       'fibonacci'
          6        SUB                                              ~2      !0, 1
          7        SEND_VAL_EX                                              ~2
          8        DO_FCALL                                      0  $3      
          9        INIT_FCALL_BY_NAME                                       'fibonacci'
         10        SUB                                              ~4      !0, 2
         11        SEND_VAL_EX                                              ~4
         12        DO_FCALL                                      0  $5      
         13        ADD                                              ~6      $3, $5
         14      > RETURN                                                   ~6
   10    15*     > RETURN                                                   null

End of function fibonacci

Generated using Vulcan Logic Dumper, using php 8.0.0


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