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<?php $a = array(); $b = array(array('id' => 1), array('id' => 2)); $map = array(); foreach($b as $record) { $map[$record['id']] = $record; } var_dump($map);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 9
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 9
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/R48Go
function name:  (null)
number of ops:  14
compiled vars:  !0 = $a, !1 = $b, !2 = $map, !3 = $record
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, <array>
    4     2        ASSIGN                                                   !2, <array>
    5     3      > FE_RESET_R                                       $7      !1, ->9
          4    > > FE_FETCH_R                                               $7, !3, ->9
    6     5    >   FETCH_DIM_R                                      ~8      !3, 'id'
          6        ASSIGN_DIM                                               !2, ~8
          7        OP_DATA                                                  !3
    5     8      > JMP                                                      ->4
          9    >   FE_FREE                                                  $7
    9    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !2
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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