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<?php $arr1 = array("1","3","4","6"); $arr2 = array("2","3","4","5","7"); foreach($arr1 as $k => $v){ foreach($arr2 as $k1 => $v1){ if($v == $v1){ unset($arr1[$k]);break; } } } print_r($arr1);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 15
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 15
Branch analysis from position: 4
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 13
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 13
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 13
Branch analysis from position: 13
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
filename:       /in/WMc9U
function name:  (null)
number of ops:  20
compiled vars:  !0 = $arr1, !1 = $arr2, !2 = $v, !3 = $k, !4 = $v1, !5 = $k1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, <array>
    5     2      > FE_RESET_R                                       $8      !0, ->15
          3    > > FE_FETCH_R                                       ~9      $8, !2, ->15
          4    >   ASSIGN                                                   !3, ~9
    6     5      > FE_RESET_R                                       $11     !1, ->13
          6    > > FE_FETCH_R                                       ~12     $11, !4, ->13
          7    >   ASSIGN                                                   !5, ~12
    7     8        IS_EQUAL                                                 !2, !4
          9      > JMPZ                                                     ~14, ->12
    8    10    >   UNSET_DIM                                                !0, !3
         11      > JMP                                                      ->13
    6    12    > > JMP                                                      ->6
         13    >   FE_FREE                                                  $11
    5    14      > JMP                                                      ->3
         15    >   FE_FREE                                                  $8
   12    16        INIT_FCALL                                               'print_r'
         17        SEND_VAR                                                 !0
         18        DO_ICALL                                                 
         19      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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