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<?php class Factorial { public function calculate ($int) { if (!is_int($int)) { echo "entry is not a number"; } $intStep = $int - 1; do { $int += $intStep; $intStep--; } while ($intStep > 0); return $int; } } $factorial = new Factorial; echo $factorial->calculate(5);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TSbAs
function name:  (null)
number of ops:  8
compiled vars:  !0 = $factorial
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   18     0  E >   NEW                                                  $1      'Factorial'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $1
   19     3        INIT_METHOD_CALL                                             !0, 'calculate'
          4        SEND_VAL_EX                                                  5
          5        DO_FCALL                                          0  $4      
          6        ECHO                                                         $4
          7      > RETURN                                                       1

Class Factorial:
Function calculate:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 5
Branch analysis from position: 4
2 jumps found. (Code = 44) Position 1 = 11, Position 2 = 7
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
Branch analysis from position: 5
filename:       /in/TSbAs
function name:  calculate
number of ops:  13
compiled vars:  !0 = $int, !1 = $intStep
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   RECV                                                 !0      
    6     1        TYPE_CHECK                                       16  ~2      !0
          2        BOOL_NOT                                             ~3      ~2
          3      > JMPZ                                                         ~3, ->5
    7     4    >   ECHO                                                         'entry+is+not+a+number'
    9     5    >   SUB                                                  ~4      !0, 1
          6        ASSIGN                                                       !1, ~4
   11     7    >   ASSIGN_OP                                         1          !0, !1
   12     8        PRE_DEC                                                      !1
   13     9        IS_SMALLER                                                   0, !1
         10      > JMPNZ                                                        ~8, ->7
   14    11    > > RETURN                                                       !0
   15    12*     > RETURN                                                       null

End of function calculate

End of class Factorial.

Generated using Vulcan Logic Dumper, using php 8.5.0


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