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<?php $array1 = ['1','14','31']; $array2 = [[1,'',14,28],[2,1,14,29],[3,1,14,30],[4,1,14,31]]; Foreach($array2 as $key => $arr){ $match[$key] = array_intersect($arr, $array1); } Var_dump($match);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 12
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 12
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/vVCiQ
function name:  (null)
number of ops:  17
compiled vars:  !0 = $array1, !1 = $array2, !2 = $arr, !3 = $key, !4 = $match
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                                       $7      !1, ->12
          3    > > FE_FETCH_R                                       ~8      $7, !2, ->12
          4    >   ASSIGN                                                   !3, ~8
    6     5        INIT_FCALL                                               'array_intersect'
          6        SEND_VAR                                                 !2
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $11     
          9        ASSIGN_DIM                                               !4, !3
         10        OP_DATA                                                  $11
    5    11      > JMP                                                      ->3
         12    >   FE_FREE                                                  $7
    9    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !4
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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