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<?php $a = [0, 1, 2, 3]; foreach ($a as &$x) { foreach ($a as &$y) { echo "$x - $y\n"; if ($x == 0 && $y == 1) { unset($a[1]); unset($a[2]); } } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 20
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 20
Branch analysis from position: 3
2 jumps found. (Code = 125) Position 1 = 4, Position 2 = 18
Branch analysis from position: 4
2 jumps found. (Code = 126) Position 1 = 5, Position 2 = 18
Branch analysis from position: 5
2 jumps found. (Code = 46) Position 1 = 12, Position 2 = 14
Branch analysis from position: 12
2 jumps found. (Code = 43) Position 1 = 15, Position 2 = 17
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 17
Branch analysis from position: 14
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 18
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 20
filename:       /in/5enAa
function name:  (null)
number of ops:  22
compiled vars:  !0 = $a, !1 = $x, !2 = $y
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1      > FE_RESET_RW                                      $4      !0, ->20
          2    > > FE_FETCH_RW                                              $4, !1, ->20
    4     3    > > FE_RESET_RW                                      $5      !0, ->18
          4    > > FE_FETCH_RW                                              $5, !2, ->18
    5     5    >   ROPE_INIT                                     4  ~7      !1
          6        ROPE_ADD                                      1  ~7      ~7, '+-+'
          7        ROPE_ADD                                      2  ~7      ~7, !2
          8        ROPE_END                                      3  ~6      ~7, '%0A'
          9        ECHO                                                     ~6
    6    10        IS_EQUAL                                         ~9      !1, 0
         11      > JMPZ_EX                                          ~9      ~9, ->14
         12    >   IS_EQUAL                                         ~10     !2, 1
         13        BOOL                                             ~9      ~10
         14    > > JMPZ                                                     ~9, ->17
    7    15    >   UNSET_DIM                                                !0, 1
    8    16        UNSET_DIM                                                !0, 2
    4    17    > > JMP                                                      ->4
         18    >   FE_FREE                                                  $5
    3    19      > JMP                                                      ->2
         20    >   FE_FREE                                                  $4
   11    21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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171.62 ms | 1395 KiB | 13 Q