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<?php $data = [ ["username" => "erick", "location" => ["singapore"], "province" => ["jatim"]], ["username" => "thomas", "location" => ["ukraina"], "province" => ["anonymouse"]] ]; var_export( array_map( fn($arr) => array_map( fn($v) => ((array) $v)[0], $arr ), $data ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UuZWJ
function name:  (null)
number of ops:  11
compiled vars:  !0 = $data, !1 = $v
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_map'
   10     3        DECLARE_LAMBDA_FUNCTION                              ~3      [0]
          4        BIND_LEXICAL                                                 ~3, !1
   14     5        SEND_VAL                                                     ~3
   15     6        SEND_VAR                                                     !0
    9     7        DO_ICALL                                             $4      
   15     8        SEND_VAR                                                     $4
    8     9        DO_ICALL                                                     
   17    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/UuZWJ
function name:  {closure:/in/UuZWJ:10}
number of ops:  9
compiled vars:  !0 = $arr, !1 = $v
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   10     0  E >   RECV                                                 !0      
          1        BIND_STATIC                                                  !1
   11     2        INIT_FCALL                                                   'array_map'
   12     3        DECLARE_LAMBDA_FUNCTION                              ~2      [0]
          4        SEND_VAL                                                     ~2
   13     5        SEND_VAR                                                     !0
   11     6        DO_ICALL                                             $3      
   13     7      > RETURN                                                       $3
   14     8*     > RETURN                                                       null


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UuZWJ
function name:  {closure:{closure:/in/UuZWJ:10}:12}
number of ops:  5
compiled vars:  !0 = $v
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   12     0  E >   RECV                                                 !0      
          1        CAST                                              7  ~1      !0
          2        FETCH_DIM_R                                          ~2      ~1, 0
          3      > RETURN                                                       ~2
          4*     > RETURN                                                       null

End of Dynamic Function 0

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.5.0


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