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<?php $a = array("test"=>"1", "test2"=>2, "test3"=>3); $needed = array("test", "test2"); foreach($a as $i => $v) { if(!in_array($i, $needed)) { unset($a[$i]); } } print_r($a);
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 = 11, Position 2 = 12
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 12
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
filename:       /in/aMWS4
function name:  (null)
number of ops:  18
compiled vars:  !0 = $a, !1 = $needed, !2 = $v, !3 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, <array>
    5     2      > FE_RESET_R                                       $6      !0, ->13
          3    > > FE_FETCH_R                                       ~7      $6, !2, ->13
          4    >   ASSIGN                                                   !3, ~7
    6     5        INIT_FCALL                                               'in_array'
          6        SEND_VAR                                                 !3
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                         $9      
          9        BOOL_NOT                                         ~10     $9
         10      > JMPZ                                                     ~10, ->12
    7    11    >   UNSET_DIM                                                !0, !3
    5    12    > > JMP                                                      ->3
         13    >   FE_FREE                                                  $6
   11    14        INIT_FCALL                                               'print_r'
         15        SEND_VAR                                                 !0
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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