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<?php function reduceMultidimensionalArraysToOneDimension(array $messages, $preffix) { $result = array(); foreach ($messages as $field => $msg) { if (is_array($msg)) { $result = array_merge($result, reduceMultidimensionalArraysToOneDimension($msg, $preffix . $field . '_')); } else { $result[$preffix . $field] = $msg; } } return $result; } $messages = array( 'second1' => array( 'm1' => 'lorem ipusum', 'third1' => array( 'm1' => 'lorem ipusum', 'm2' => 'lorem ipusum', ), 'm2' => 'lorem ipusum', 'm3' => 'lorem ipusum', 'third2' => array( 'm1' => 'lorem ipusum', 'm2' => 'lorem ipusum', ), 'm4' => 'lorem ipusum', ), 'm1' => 'lorem ipusum', 'second2' => array( 'm1' => 'lorem ipusum', 'third1' => array( 'm1' => 'lorem ipusum', 'm2' => 'lorem ipusum', ), 'm2' => 'lorem ipusum', 'm3' => 'lorem ipusum', 'third2' => array( 'm1' => 'lorem ipusum', 'm2' => 'lorem ipusum', ), 'm4' => 'lorem ipusum', ), 'm2' => 'lorem ipusum', ); echo "Starting array_merge\n"; $time = microtime(true); $result = reduceMultidimensionalArraysToOneDimension($messages, 'preffix_'); $time = microtime(true) - $time; print_r($result); echo 'array_merge() took ' . $time . " seconds\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hJb5G
function name:  (null)
number of ops:  23
compiled vars:  !0 = $messages, !1 = $time, !2 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   ASSIGN                                                   !0, <array>
   50     1        ECHO                                                     'Starting+array_merge%0A'
   51     2        INIT_FCALL                                               'microtime'
          3        SEND_VAL                                                 <true>
          4        DO_ICALL                                         $4      
          5        ASSIGN                                                   !1, $4
   52     6        INIT_FCALL                                               'reducemultidimensionalarraystoonedimension'
          7        SEND_VAR                                                 !0
          8        SEND_VAL                                                 'preffix_'
          9        DO_FCALL                                      0  $6      
         10        ASSIGN                                                   !2, $6
   53    11        INIT_FCALL                                               'microtime'
         12        SEND_VAL                                                 <true>
         13        DO_ICALL                                         $8      
         14        SUB                                              ~9      $8, !1
         15        ASSIGN                                                   !1, ~9
   55    16        INIT_FCALL                                               'print_r'
         17        SEND_VAR                                                 !2
         18        DO_ICALL                                                 
   56    19        CONCAT                                           ~12     'array_merge%28%29+took+', !1
         20        CONCAT                                           ~13     ~12, '+seconds%0A'
         21        ECHO                                                     ~13
         22      > RETURN                                                   1

Function reducemultidimensionalarraystoonedimension:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 24
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 24
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 20
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 23
Branch analysis from position: 23
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 20
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 24
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 24
filename:       /in/hJb5G
function name:  reduceMultidimensionalArraysToOneDimension
number of ops:  27
compiled vars:  !0 = $messages, !1 = $preffix, !2 = $result, !3 = $msg, !4 = $field
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    5     2        ASSIGN                                                   !2, <array>
    6     3      > FE_RESET_R                                       $6      !0, ->24
          4    > > FE_FETCH_R                                       ~7      $6, !3, ->24
          5    >   ASSIGN                                                   !4, ~7
    7     6        TYPE_CHECK                                  128          !3
          7      > JMPZ                                                     ~9, ->20
    8     8    >   INIT_FCALL                                               'array_merge'
          9        SEND_VAR                                                 !2
         10        INIT_FCALL_BY_NAME                                       'reduceMultidimensionalArraysToOneDimension'
         11        SEND_VAR_EX                                              !3
         12        CONCAT                                           ~10     !1, !4
         13        CONCAT                                           ~11     ~10, '_'
         14        SEND_VAL_EX                                              ~11
         15        DO_FCALL                                      0  $12     
         16        SEND_VAR                                                 $12
         17        DO_ICALL                                         $13     
         18        ASSIGN                                                   !2, $13
         19      > JMP                                                      ->23
   10    20    >   CONCAT                                           ~15     !1, !4
         21        ASSIGN_DIM                                               !2, ~15
         22        OP_DATA                                                  !3
    6    23    > > JMP                                                      ->4
         24    >   FE_FREE                                                  $6
   14    25      > RETURN                                                   !2
   15    26*     > RETURN                                                   null

End of function reducemultidimensionalarraystoonedimension

Generated using Vulcan Logic Dumper, using php 8.0.0


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