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<?php function is_prime($number) { $c=0; for($i=1;$i<sqrt($number)+1;$i++) { if($number%$i===0) $c++; } if($c==1) return true; else return false; } $sum=2; for($i=3;$i<2000000;$i=$i+2){ if(is_prime($i)==true) { $sum=$sum+$i; } } echo $sum;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 14, Position 2 = 3
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
2 jumps found. (Code = 44) Position 1 = 14, Position 2 = 3
Branch analysis from position: 14
Branch analysis from position: 3
Branch analysis from position: 10
filename:       /in/eRPSp
function name:  (null)
number of ops:  16
compiled vars:  !0 = $sum, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   ASSIGN                                                   !0, 2
   15     1        ASSIGN                                                   !1, 3
          2      > JMP                                                      ->12
   16     3    >   INIT_FCALL                                               'is_prime'
          4        SEND_VAR                                                 !1
          5        DO_FCALL                                      0  $4      
          6        BOOL                                             ~5      $4
          7      > JMPZ                                                     ~5, ->10
   18     8    >   ADD                                              ~6      !0, !1
          9        ASSIGN                                                   !0, ~6
   15    10    >   ADD                                              ~8      !1, 2
         11        ASSIGN                                                   !1, ~8
         12    >   IS_SMALLER                                               !1, 2000000
         13      > JMPNZ                                                    ~10, ->3
   22    14    >   ECHO                                                     !0
         15      > RETURN                                                   1

Function is_prime:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 4
Branch analysis from position: 15
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 8
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 4
Branch analysis from position: 15
Branch analysis from position: 4
Branch analysis from position: 8
filename:       /in/eRPSp
function name:  is_prime
number of ops:  21
compiled vars:  !0 = $number, !1 = $c, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    4     1        ASSIGN                                                   !1, 0
    5     2        ASSIGN                                                   !2, 1
          3      > JMP                                                      ->9
    7     4    >   MOD                                              ~5      !0, !2
          5        IS_IDENTICAL                                             ~5, 0
          6      > JMPZ                                                     ~6, ->8
    8     7    >   PRE_INC                                                  !1
    5     8    >   PRE_INC                                                  !2
          9    >   INIT_FCALL                                               'sqrt'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $9      
         12        ADD                                              ~10     $9, 1
         13        IS_SMALLER                                               !2, ~10
         14      > JMPNZ                                                    ~11, ->4
   10    15    >   IS_EQUAL                                                 !1, 1
         16      > JMPZ                                                     ~12, ->19
         17    > > RETURN                                                   <true>
         18*       JMP                                                      ->20
   11    19    > > RETURN                                                   <false>
   12    20*     > RETURN                                                   null

End of function is_prime

Generated using Vulcan Logic Dumper, using php 8.0.0


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