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<?php function a () { $i =0 ; while (true) { $i++; if ($i > 10000) { break; } foreach ([['a' => 1],2, ['a' => 2]] as $p) { if ($p == 2) { continue; } yield $p['a'] => 123; } } } $sum = 0; foreach ( a() as $k => $v ) { $sum += $v; } echo 'Done: ', $sum;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 8
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/cSPPB
function name:  (null)
number of ops:  12
compiled vars:  !0 = $sum, !1 = $v, !2 = $k
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   ASSIGN                                                   !0, 0
   17     1        INIT_FCALL                                               'a'
          2        DO_FCALL                                      0  $4      
          3      > FE_RESET_R                                       $5      $4, ->8
          4    > > FE_FETCH_R                                       ~6      $5, !1, ->8
          5    >   ASSIGN                                                   !2, ~6
   18     6        ASSIGN_OP                                     1          !0, !1
   17     7      > JMP                                                      ->4
          8    >   FE_FREE                                                  $5
   20     9        ECHO                                                     'Done%3A+'
         10        ECHO                                                     !0
         11      > RETURN                                                   1

Function a:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 3
Branch analysis from position: 17
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
Branch analysis from position: 7
2 jumps found. (Code = 77) Position 1 = 8, Position 2 = 15
Branch analysis from position: 8
2 jumps found. (Code = 78) Position 1 = 9, Position 2 = 15
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 12
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
Branch analysis from position: 15
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 3
Branch analysis from position: 17
Branch analysis from position: 3
Branch analysis from position: 15
filename:       /in/cSPPB
function name:  a
number of ops:  18
compiled vars:  !0 = $i, !1 = $p
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    4     1        ASSIGN                                                   !0, 0
    5     2      > JMP                                                      ->16
    6     3    >   PRE_INC                                                  !0
    7     4        IS_SMALLER                                               10000, !0
          5      > JMPZ                                                     ~4, ->7
          6    > > JMP                                                      ->17
    8     7    > > FE_RESET_R                                       $5      <array>, ->15
          8    > > FE_FETCH_R                                               $5, !1, ->15
    9     9    >   IS_EQUAL                                                 !1, 2
         10      > JMPZ                                                     ~6, ->12
   10    11    > > JMP                                                      ->8
   12    12    >   FETCH_DIM_R                                      ~7      !1, 'a'
         13        YIELD                                                    123, ~7
    8    14      > JMP                                                      ->8
         15    >   FE_FREE                                                  $5
    5    16    > > JMPNZ                                                    <true>, ->3
   15    17    > > GENERATOR_RETURN                                         

End of function a

Generated using Vulcan Logic Dumper, using php 8.0.0


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