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<?php CONST MIN = 1; CONST MAX = 1000000000; $result = 0; for ($i = MIN; $i <= MAX; $i++) { $result += $i; } var_dump($result); $result = (MIN + MAX) * (MAX / 2); //It's *MAX/2 because the step is 1 (there are MAX elements to the series). var_dump($result);
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 = 11, Position 2 = 6
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 11, Position 2 = 6
Branch analysis from position: 11
Branch analysis from position: 6
filename:       /in/jlL2K
function name:  (null)
number of ops:  25
compiled vars:  !0 = $result, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   DECLARE_CONST                                            'MIN', 1
    3     1        DECLARE_CONST                                            'MAX', 1000000000
    4     2        ASSIGN                                                   !0, 0
    5     3        FETCH_CONSTANT                                   ~3      'MIN'
          4        ASSIGN                                                   !1, ~3
          5      > JMP                                                      ->8
    6     6    >   ASSIGN_OP                                     1          !0, !1
    5     7        PRE_INC                                                  !1
          8    >   FETCH_CONSTANT                                   ~7      'MAX'
          9        IS_SMALLER_OR_EQUAL                                      !1, ~7
         10      > JMPNZ                                                    ~8, ->6
    8    11    >   INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                                 
   10    14        FETCH_CONSTANT                                   ~10     'MIN'
         15        FETCH_CONSTANT                                   ~11     'MAX'
         16        ADD                                              ~12     ~10, ~11
         17        FETCH_CONSTANT                                   ~13     'MAX'
         18        DIV                                              ~14     ~13, 2
         19        MUL                                              ~15     ~12, ~14
         20        ASSIGN                                                   !0, ~15
   11    21        INIT_FCALL                                               'var_dump'
         22        SEND_VAR                                                 !0
         23        DO_ICALL                                                 
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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