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<?php function generatePrimes($n) { $primes = [2]; for ($i = 3; $i < $n; $i += 2) { foreach ($this->primes as $prime) { if ($i % $prime == 0) continue 2; } $primes[] = $i; } return $primes; } var_dump(generatePrimes(5));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/05STn
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'generateprimes'
          2        SEND_VAL                                                 5
          3        DO_FCALL                                      0  $0      
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
          6      > RETURN                                                   1

Function generateprimes:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
2 jumps found. (Code = 44) Position 1 = 20, Position 2 = 4
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
2 jumps found. (Code = 77) Position 1 = 7, Position 2 = 14
Branch analysis from position: 7
2 jumps found. (Code = 78) Position 1 = 8, Position 2 = 14
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 13
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
2 jumps found. (Code = 44) Position 1 = 20, Position 2 = 4
Branch analysis from position: 20
Branch analysis from position: 4
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
Branch analysis from position: 14
2 jumps found. (Code = 44) Position 1 = 20, Position 2 = 4
Branch analysis from position: 20
Branch analysis from position: 4
Branch analysis from position: 14
filename:       /in/05STn
function name:  generatePrimes
number of ops:  22
compiled vars:  !0 = $n, !1 = $primes, !2 = $i, !3 = $prime
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        ASSIGN                                                   !1, <array>
    6     2        ASSIGN                                                   !2, 3
          3      > JMP                                                      ->18
    7     4    >   FETCH_THIS                                       $6      
          5        FETCH_OBJ_R                                      ~7      $6, 'primes'
          6      > FE_RESET_R                                       $8      ~7, ->14
          7    > > FE_FETCH_R                                               $8, !3, ->14
    8     8    >   MOD                                              ~9      !2, !3
          9        IS_EQUAL                                                 ~9, 0
         10      > JMPZ                                                     ~10, ->13
    9    11    >   FE_FREE                                                  $8
         12      > JMP                                                      ->17
    7    13    > > JMP                                                      ->7
         14    >   FE_FREE                                                  $8
   11    15        ASSIGN_DIM                                               !1
         16        OP_DATA                                                  !2
    6    17    >   ASSIGN_OP                                     1          !2, 2
         18    >   IS_SMALLER                                               !2, !0
         19      > JMPNZ                                                    ~13, ->4
   14    20    > > RETURN                                                   !1
   15    21*     > RETURN                                                   null

End of function generateprimes

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.75 ms | 1403 KiB | 16 Q