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<?php function gap($g, $m, $n) { foreach (range($m, $n) as $num) { var_dump($num); var_dump($isPrime = isPrime($num) && isset($firstPrime) && $num - $firstPrime == $g); if ($isPrime = isPrime($num) && isset($firstPrime) && $num - $firstPrime == $g) { return [$firstPrime, $num]; } elseif ($isPrime) { $firstPrime = $num; } } return null; } function isPrime($num) { for ($n = 2; ($div = $num/$n) > $n; $n++) { if (is_int($div)) { return false; } } return true; } gap(2, 100, 110);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/D3j7V
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   25     0  E >   INIT_FCALL                                               'gap'
          1        SEND_VAL                                                 2
          2        SEND_VAL                                                 100
          3        SEND_VAL                                                 110
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Function gap:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 8, Position 2 = 46
Branch analysis from position: 8
2 jumps found. (Code = 78) Position 1 = 9, Position 2 = 46
Branch analysis from position: 9
2 jumps found. (Code = 46) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
2 jumps found. (Code = 46) Position 1 = 20, Position 2 = 23
Branch analysis from position: 20
2 jumps found. (Code = 46) Position 1 = 30, Position 2 = 32
Branch analysis from position: 30
2 jumps found. (Code = 46) Position 1 = 33, Position 2 = 36
Branch analysis from position: 33
2 jumps found. (Code = 43) Position 1 = 38, Position 2 = 43
Branch analysis from position: 38
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 43
2 jumps found. (Code = 43) Position 1 = 44, Position 2 = 45
Branch analysis from position: 44
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
Branch analysis from position: 45
Branch analysis from position: 36
Branch analysis from position: 32
Branch analysis from position: 23
Branch analysis from position: 19
Branch analysis from position: 46
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 46
filename:       /in/D3j7V
function name:  gap
number of ops:  49
compiled vars:  !0 = $g, !1 = $m, !2 = $n, !3 = $num, !4 = $isPrime, !5 = $firstPrime
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        RECV                                             !2      
    4     3        INIT_FCALL                                               'range'
          4        SEND_VAR                                                 !1
          5        SEND_VAR                                                 !2
          6        DO_ICALL                                         $6      
          7      > FE_RESET_R                                       $7      $6, ->46
          8    > > FE_FETCH_R                                               $7, !3, ->46
    5     9    >   INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !3
         11        DO_ICALL                                                 
    6    12        INIT_FCALL                                               'var_dump'
         13        INIT_FCALL_BY_NAME                                       'isPrime'
         14        SEND_VAR_EX                                              !3
         15        DO_FCALL                                      0  $9      
         16      > JMPZ_EX                                          ~10     $9, ->19
         17    >   ISSET_ISEMPTY_CV                                 ~11     !5
         18        BOOL                                             ~10     ~11
         19    > > JMPZ_EX                                          ~10     ~10, ->23
         20    >   SUB                                              ~12     !3, !5
         21        IS_EQUAL                                         ~13     !0, ~12
         22        BOOL                                             ~10     ~13
         23    >   ASSIGN                                           ~14     !4, ~10
         24        SEND_VAL                                                 ~14
         25        DO_ICALL                                                 
    7    26        INIT_FCALL_BY_NAME                                       'isPrime'
         27        SEND_VAR_EX                                              !3
         28        DO_FCALL                                      0  $16     
         29      > JMPZ_EX                                          ~17     $16, ->32
         30    >   ISSET_ISEMPTY_CV                                 ~18     !5
         31        BOOL                                             ~17     ~18
         32    > > JMPZ_EX                                          ~17     ~17, ->36
         33    >   SUB                                              ~19     !3, !5
         34        IS_EQUAL                                         ~20     !0, ~19
         35        BOOL                                             ~17     ~20
         36    >   ASSIGN                                           ~21     !4, ~17
         37      > JMPZ                                                     ~21, ->43
    8    38    >   INIT_ARRAY                                       ~22     !5
         39        ADD_ARRAY_ELEMENT                                ~22     !3
         40        FE_FREE                                                  $7
         41      > RETURN                                                   ~22
         42*       JMP                                                      ->45
    9    43    > > JMPZ                                                     !4, ->45
   10    44    >   ASSIGN                                                   !5, !3
    4    45    > > JMP                                                      ->8
         46    >   FE_FREE                                                  $7
   13    47      > RETURN                                                   null
   14    48*     > RETURN                                                   null

End of function gap

Function isprime:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 11, Position 2 = 3
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 6
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 11, Position 2 = 3
Branch analysis from position: 11
Branch analysis from position: 3
filename:       /in/D3j7V
function name:  isPrime
number of ops:  13
compiled vars:  !0 = $num, !1 = $n, !2 = $div
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   RECV                                             !0      
   17     1        ASSIGN                                                   !1, 2
          2      > JMP                                                      ->7
   18     3    >   TYPE_CHECK                                   16          !2
          4      > JMPZ                                                     ~4, ->6
   19     5    > > RETURN                                                   <false>
   17     6    >   PRE_INC                                                  !1
          7    >   DIV                                              ~6      !0, !1
          8        ASSIGN                                           ~7      !2, ~6
          9        IS_SMALLER                                               !1, ~7
         10      > JMPNZ                                                    ~8, ->3
   22    11    > > RETURN                                                   <true>
   23    12*     > RETURN                                                   null

End of function isprime

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
179.46 ms | 1407 KiB | 18 Q