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<?php $a = array( 0 => array( 'id' => 1, 'name' => 'john' ), 1 => array( 'id' => 28, 'name' => 'peter' ) ); var_export( array_reduce( $a, fn($result, $row) => array_replace($result, [$row['id'] => ['name' => $row['name']]]), [] ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Eq5rX
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    8     1        INIT_FCALL                                               'var_export'
    9     2        INIT_FCALL                                               'array_reduce'
   10     3        SEND_VAR                                                 !0
   11     4        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
          5        SEND_VAL                                                 ~2
   12     6        SEND_VAL                                                 <array>
    9     7        DO_ICALL                                         $3      
   12     8        SEND_VAR                                                 $3
    8     9        DO_ICALL                                                 
   14    10      > RETURN                                                   1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Eq5rX
function name:  {closure}
number of ops:  12
compiled vars:  !0 = $result, !1 = $row
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        INIT_FCALL                                               'array_replace'
          3        SEND_VAR                                                 !0
          4        FETCH_DIM_R                                      ~2      !1, 'id'
          5        FETCH_DIM_R                                      ~3      !1, 'name'
          6        INIT_ARRAY                                       ~4      ~3, 'name'
          7        INIT_ARRAY                                       ~5      ~4, ~2
          8        SEND_VAL                                                 ~5
          9        DO_ICALL                                         $6      
         10      > RETURN                                                   $6
         11*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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