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<?php $A = ["key 1"=>"val 1", "key 2"=>"val 2", "key 3"=>"val 3"]; $B = ["key 2"=>"val 2"]; foreach($A as $key=>$val) { $myval = array_key_exists($key,$B) ? $B[$key] : 0; } var_dump($B);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 13
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 13
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 10
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
filename:       /in/e1qJp
function name:  (null)
number of ops:  18
compiled vars:  !0 = $A, !1 = $B, !2 = $val, !3 = $key, !4 = $myval
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        ASSIGN                                                   !1, <array>
    7     2      > FE_RESET_R                                       $7      !0, ->13
          3    > > FE_FETCH_R                                       ~8      $7, !2, ->13
          4    >   ASSIGN                                                   !3, ~8
    8     5        ARRAY_KEY_EXISTS                                         !3, !1
          6      > JMPZ                                                     ~10, ->10
          7    >   FETCH_DIM_R                                      ~11     !1, !3
          8        QM_ASSIGN                                        ~12     ~11
          9      > JMP                                                      ->11
         10    >   QM_ASSIGN                                        ~12     0
         11    >   ASSIGN                                                   !4, ~12
    7    12      > JMP                                                      ->3
         13    >   FE_FREE                                                  $7
   11    14        INIT_FCALL                                               'var_dump'
         15        SEND_VAR                                                 !1
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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