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<?php function fac($num) { if ($num > 1) { $num = $num * fac($num - 1); } return $num; } $fac = fac(7); echo $fac;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/FPudl
function name:  (null)
number of ops:  6
compiled vars:  !0 = $fac
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   INIT_FCALL                                               'fac'
          1        SEND_VAL                                                 7
          2        DO_FCALL                                      0  $1      
          3        ASSIGN                                                   !0, $1
   14     4        ECHO                                                     !0
          5      > RETURN                                                   1

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

End of function fac

Generated using Vulcan Logic Dumper, using php 8.0.0


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