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<?php $array = [1, 2, 3, 4, 5]; foreach ($array as &$v1) { foreach ($array as &$v2) { if ($v1 == 1 && $v2 == 1) { unset($array[1]); } echo "($v1, $v2) "; } }
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 = 7, Position 2 = 9
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 11
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 11
Branch analysis from position: 9
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/Jv5T5
function name:  (null)
number of ops:  22
compiled vars:  !0 = $array, !1 = $v1, !2 = $v2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1      > FE_RESET_RW                                      $4      !0, ->20
          2    > > FE_FETCH_RW                                              $4, !1, ->20
    5     3    > > FE_RESET_RW                                      $5      !0, ->18
          4    > > FE_FETCH_RW                                              $5, !2, ->18
    6     5    >   IS_EQUAL                                         ~6      !1, 1
          6      > JMPZ_EX                                          ~6      ~6, ->9
          7    >   IS_EQUAL                                         ~7      !2, 1
          8        BOOL                                             ~6      ~7
          9    > > JMPZ                                                     ~6, ->11
    7    10    >   UNSET_DIM                                                !0, 1
    9    11    >   ROPE_INIT                                     5  ~9      '%28'
         12        ROPE_ADD                                      1  ~9      ~9, !1
         13        ROPE_ADD                                      2  ~9      ~9, '%2C+'
         14        ROPE_ADD                                      3  ~9      ~9, !2
         15        ROPE_END                                      4  ~8      ~9, '%29+'
         16        ECHO                                                     ~8
    5    17      > JMP                                                      ->4
         18    >   FE_FREE                                                  $5
    4    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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