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<?php $arrays = [ 252 => [ 0 => [ "id" => 2929850, "titulo" => " Film 1" ], 1 => [ "id" => 2929848, "titulo" => "Film 2" ] ], 251 => [ 0 => [ "id" => 2929796, "titulo" => "Film 3" ], 1 => [ "id" => 2929795, "titulo" => "Film 4" ] ] ]; $result = []; foreach ($arrays as $key => $array) { $result[$key] = array_keys($array); } print_r($result);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 11
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 11
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
filename:       /in/XpBQK
function name:  (null)
number of ops:  16
compiled vars:  !0 = $arrays, !1 = $result, !2 = $array, !3 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   26     1        ASSIGN                                                   !1, <array>
   27     2      > FE_RESET_R                                       $6      !0, ->11
          3    > > FE_FETCH_R                                       ~7      $6, !2, ->11
          4    >   ASSIGN                                                   !3, ~7
   28     5        INIT_FCALL                                               'array_keys'
          6        SEND_VAR                                                 !2
          7        DO_ICALL                                         $10     
          8        ASSIGN_DIM                                               !1, !3
          9        OP_DATA                                                  $10
   27    10      > JMP                                                      ->3
         11    >   FE_FREE                                                  $6
   31    12        INIT_FCALL                                               'print_r'
         13        SEND_VAR                                                 !1
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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