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<?php $array = [ '2018-03-12' => [ 'United States' => 4, 'Australia' => 15, 'United Kingdom' => 0, 'New Zealand' => 0, ], '2018-03-13' => [ 'United States' => 0, 'Australia' => 8, 'United Kingdom' => 2, 'New Zealand' => 0, ] ]; var_export( array_map( fn($k) => array_merge([$k], array_values($array[$k])), array_keys($array) ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9RJR4
function name:  (null)
number of ops:  14
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   18     1        INIT_FCALL                                               'var_export'
   19     2        INIT_FCALL                                               'array_map'
   20     3        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
          4        BIND_LEXICAL                                             ~2, !0
          5        SEND_VAL                                                 ~2
   21     6        INIT_FCALL                                               'array_keys'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $3      
          9        SEND_VAR                                                 $3
   19    10        DO_ICALL                                         $4      
   21    11        SEND_VAR                                                 $4
   18    12        DO_ICALL                                                 
   23    13      > 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/9RJR4
function name:  {closure}
number of ops:  13
compiled vars:  !0 = $k, !1 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   20     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
          2        INIT_FCALL                                               'array_merge'
          3        INIT_ARRAY                                       ~2      !0
          4        SEND_VAL                                                 ~2
          5        INIT_FCALL                                               'array_values'
          6        FETCH_DIM_R                                      ~3      !1, !0
          7        SEND_VAL                                                 ~3
          8        DO_ICALL                                         $4      
          9        SEND_VAR                                                 $4
         10        DO_ICALL                                         $5      
         11      > RETURN                                                   $5
         12*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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