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<?php $array1 = json_decode('[ { "date":"2018-06-23", "size":"L", "type":"shoes", "value_one":"66" }, { "date":"2018-06-23", "size":"XL", "type":"shirt", "value_one":"43" }, { "date":"2018-06-23", "size":"M", "type":"Bag", "value_one":"23" } ]', true); $array2 = json_decode( '[ { "date":"2018-06-23", "size":"L", "type":"shoes", "value_two":"28" }, { "date":"2018-06-23", "size":"XL", "type":"shirt", "value_two":"56" }, { "date":"2018-06-23", "size":"M", "type":"Bag", "value_two":"14" }, { "date":"2018-06-23", "size":"S", "type":"Cap", "value_two":"29" } ]', true); $defaults = array_fill_keys(['date', 'size', 'type', 'value_one', 'value_two'], null); $result = []; foreach (array_merge($array1, $array2) as $row) { $compositeKey = implode('_', array_slice($row, 0, 3)); $result[$compositeKey] = array_merge($result[$compositeKey] ?? $defaults, $row); } var_export(array_values($result));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 21, Position 2 = 42
Branch analysis from position: 21
2 jumps found. (Code = 78) Position 1 = 22, Position 2 = 42
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 21
Branch analysis from position: 21
Branch analysis from position: 42
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 42
filename:       /in/cC0VS
function name:  (null)
number of ops:  50
compiled vars:  !0 = $array1, !1 = $array2, !2 = $defaults, !3 = $result, !4 = $row, !5 = $compositeKey
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'json_decode'
          1        SEND_VAL                                                 '%5B%0A+++++++++++%7B%0A++++++++++++++%22date%22%3A%222018-06-23%22%2C%0A++++++++++++++%22size%22%3A%22L%22%2C%0A++++++++++++++%22type%22%3A%22shoes%22%2C%0A++++++++++++++%22value_one%22%3A%2266%22%0A+++++++++++%7D%2C%0A++++++++++%7B%0A++++++++++++++%22date%22%3A%222018-06-23%22%2C%0A++++++++++++++%22size%22%3A%22XL%22%2C%0A++++++++++++++%22type%22%3A%22shirt%22%2C%0A++++++++++++++%22value_one%22%3A%2243%22%0A+++++++++++%7D%2C%0A++++++++++%7B%0A++++++++++++++%22date%22%3A%222018-06-23%22%2C%0A++++++++++++++%22size%22%3A%22M%22%2C%0A++++++++++++++%22type%22%3A%22Bag%22%2C%0A++++++++++++++%22value_one%22%3A%2223%22%0A+++++++++++%7D%0A++++++++%5D'
   22     2        SEND_VAL                                                 <true>
    3     3        DO_ICALL                                         $6      
          4        ASSIGN                                                   !0, $6
   25     5        INIT_FCALL                                               'json_decode'
   26     6        SEND_VAL                                                 '%5B%0A+++%7B%0A++++++%22date%22%3A%222018-06-23%22%2C%0A++++++%22size%22%3A%22L%22%2C%0A++++++%22type%22%3A%22shoes%22%2C%0A++++++%22value_two%22%3A%2228%22%0A+++%7D%2C%0A++%7B%0A++++++%22date%22%3A%222018-06-23%22%2C%0A++++++%22size%22%3A%22XL%22%2C%0A++++++%22type%22%3A%22shirt%22%2C%0A++++++%22value_two%22%3A%2256%22%0A+++%7D%2C%0A++%7B%0A++++++%22date%22%3A%222018-06-23%22%2C%0A++++++%22size%22%3A%22M%22%2C%0A++++++%22type%22%3A%22Bag%22%2C%0A++++++%22value_two%22%3A%2214%22%0A+++%7D%2C%0A++%7B%0A++++++%22date%22%3A%222018-06-23%22%2C%0A++++++%22size%22%3A%22S%22%2C%0A++++++%22type%22%3A%22Cap%22%2C%0A++++++%22value_two%22%3A%2229%22%0A+++%7D%0A%5D'
   51     7        SEND_VAL                                                 <true>
   25     8        DO_ICALL                                         $8      
          9        ASSIGN                                                   !1, $8
   53    10        INIT_FCALL                                               'array_fill_keys'
         11        SEND_VAL                                                 <array>
         12        SEND_VAL                                                 null
         13        DO_ICALL                                         $10     
         14        ASSIGN                                                   !2, $10
   54    15        ASSIGN                                                   !3, <array>
   55    16        INIT_FCALL                                               'array_merge'
         17        SEND_VAR                                                 !0
         18        SEND_VAR                                                 !1
         19        DO_ICALL                                         $13     
         20      > FE_RESET_R                                       $14     $13, ->42
         21    > > FE_FETCH_R                                               $14, !4, ->42
   56    22    >   INIT_FCALL                                               'implode'
         23        SEND_VAL                                                 '_'
         24        INIT_FCALL                                               'array_slice'
         25        SEND_VAR                                                 !4
         26        SEND_VAL                                                 0
         27        SEND_VAL                                                 3
         28        DO_ICALL                                         $15     
         29        SEND_VAR                                                 $15
         30        DO_ICALL                                         $16     
         31        ASSIGN                                                   !5, $16
   57    32        INIT_FCALL                                               'array_merge'
         33        FETCH_DIM_IS                                     ~19     !3, !5
         34        COALESCE                                         ~20     ~19
         35        QM_ASSIGN                                        ~20     !2
         36        SEND_VAL                                                 ~20
         37        SEND_VAR                                                 !4
         38        DO_ICALL                                         $21     
         39        ASSIGN_DIM                                               !3, !5
         40        OP_DATA                                                  $21
   55    41      > JMP                                                      ->21
         42    >   FE_FREE                                                  $14
   59    43        INIT_FCALL                                               'var_export'
         44        INIT_FCALL                                               'array_values'
         45        SEND_VAR                                                 !3
         46        DO_ICALL                                         $22     
         47        SEND_VAR                                                 $22
         48        DO_ICALL                                                 
         49      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
139.73 ms | 1011 KiB | 20 Q