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<?php $b = 1; $a = array(); for($i=100000;$i-->0;) $b[] =& $a; for($i=100000;$i-->0;) unset($b[$i]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 4
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 11
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 11
Branch analysis from position: 15
Branch analysis from position: 11
Branch analysis from position: 4
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 4
Branch analysis from position: 9
Branch analysis from position: 4
filename:       /in/HM029
function name:  (null)
number of ops:  16
compiled vars:  !0 = $b, !1 = $a, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 1
    3     1        ASSIGN                                                   !1, <array>
    4     2        ASSIGN                                                   !2, 100000
          3      > JMP                                                      ->6
          4    >   FETCH_DIM_W                                      $6      !0
          5        ASSIGN_REF                                               $6, !1
          6    >   POST_DEC                                         ~8      !2
          7        IS_SMALLER                                               0, ~8
          8      > JMPNZ                                                    ~9, ->4
    5     9    >   ASSIGN                                                   !2, 100000
         10      > JMP                                                      ->12
         11    >   UNSET_DIM                                                !0, !2
         12    >   POST_DEC                                         ~11     !2
         13        IS_SMALLER                                               0, ~11
         14      > JMPNZ                                                    ~12, ->11
         15    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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154.29 ms | 1394 KiB | 13 Q