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<?php $json = '{ "shops": [ { "shop_id": "100", "locations": [ { "location_id": "100_1", "distance": "10.3" }, { "location_id": "100_2", "distance": "15.2" } ] }, { "shop_id": "101", "locations": [ { "location_id": "101_1", "distance": "19.3" }, { "location_id": "101_2", "distance": "12.4" } ] }] }'; // Decode the JSON data $json_data = json_decode($json,true); // Do a foreach loop foreach($json_data['shops'] as $shops) { $distances = array_column($shops['locations'], 'distance'); $locations = array_column($shops['locations'], 'location_id'); $min = min($distances); $location = array_search($min, $distances); echo $locations[$location] . ' -> ' . $min . "\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 8, Position 2 = 36
Branch analysis from position: 8
2 jumps found. (Code = 78) Position 1 = 9, Position 2 = 36
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
Branch analysis from position: 36
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 36
filename:       /in/PvdEk
function name:  (null)
number of ops:  38
compiled vars:  !0 = $json, !1 = $json_data, !2 = $shops, !3 = $distances, !4 = $locations, !5 = $min, !6 = $location
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%7B%0A++%22shops%22%3A+%5B%0A+++%7B%0A++++++%22shop_id%22%3A+%22100%22%2C%0A++++++++++%22locations%22%3A+%5B%0A++++++++++++++++%7B+%22location_id%22%3A+%22100_1%22%2C+%22distance%22%3A+%2210.3%22+%7D%2C%0A++++++++++++++++%7B+%22location_id%22%3A+%22100_2%22%2C+%22distance%22%3A+%2215.2%22+%7D%0A++++++++++%5D%0A++++%7D%2C%0A++++%7B%0A++++++%22shop_id%22%3A+%22101%22%2C%0A++++++++++%22locations%22%3A+%5B%0A++++++++++++++++%7B+%22location_id%22%3A+%22101_1%22%2C+%22distance%22%3A+%2219.3%22+%7D%2C%0A++++++++++++++++%7B+%22location_id%22%3A+%22101_2%22%2C+%22distance%22%3A+%2212.4%22+%7D%0A++++++++++%5D%0A++++%7D%5D%0A%7D'
   21     1        INIT_FCALL                                               'json_decode'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 <true>
          4        DO_ICALL                                         $8      
          5        ASSIGN                                                   !1, $8
   24     6        FETCH_DIM_R                                      ~10     !1, 'shops'
          7      > FE_RESET_R                                       $11     ~10, ->36
          8    > > FE_FETCH_R                                               $11, !2, ->36
   25     9    >   INIT_FCALL                                               'array_column'
         10        FETCH_DIM_R                                      ~12     !2, 'locations'
         11        SEND_VAL                                                 ~12
         12        SEND_VAL                                                 'distance'
         13        DO_ICALL                                         $13     
         14        ASSIGN                                                   !3, $13
   26    15        INIT_FCALL                                               'array_column'
         16        FETCH_DIM_R                                      ~15     !2, 'locations'
         17        SEND_VAL                                                 ~15
         18        SEND_VAL                                                 'location_id'
         19        DO_ICALL                                         $16     
         20        ASSIGN                                                   !4, $16
   27    21        INIT_FCALL                                               'min'
         22        SEND_VAR                                                 !3
         23        DO_ICALL                                         $18     
         24        ASSIGN                                                   !5, $18
   28    25        INIT_FCALL                                               'array_search'
         26        SEND_VAR                                                 !5
         27        SEND_VAR                                                 !3
         28        DO_ICALL                                         $20     
         29        ASSIGN                                                   !6, $20
   29    30        FETCH_DIM_R                                      ~22     !4, !6
         31        CONCAT                                           ~23     ~22, '+-%3E+'
         32        CONCAT                                           ~24     ~23, !5
         33        CONCAT                                           ~25     ~24, '%0A'
         34        ECHO                                                     ~25
   24    35      > JMP                                                      ->8
         36    >   FE_FREE                                                  $11
   30    37      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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