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<?php $students = [ [ "country" => "japan", "school" => "kyoto university", "name" => "Naruto Uzumaki" ], [ "country" => "usa", "school" => "harvard university", "name" => "Naruto Uzumaki" ], [ "country" => "japan", "school" => "tokyo university", "name" => "sasuke Uchiha" ], [ "country" => "japan", "school" => "tokyo university", "name" => "kakashi hatake" ], ]; $result = []; foreach ($students as $student) { extract($student); $result[$country][$school] = $student; } var_export($result);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 11
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 11
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
filename:       /in/aNBRl
function name:  (null)
number of ops:  16
compiled vars:  !0 = $students, !1 = $result, !2 = $student, !3 = $country, !4 = $school
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
   26     1        ASSIGN                                                       !1, <array>
   27     2      > FE_RESET_R                                           $7      !0, ->11
          3    > > FE_FETCH_R                                                   $7, !2, ->11
   28     4    >   INIT_FCALL                                                   'extract'
          5        SEND_REF                                                     !2
          6        DO_ICALL                                                     
   29     7        FETCH_DIM_W                                          $9      !1, !3
          8        ASSIGN_DIM                                                   $9, !4
          9        OP_DATA                                                      !2
   27    10      > JMP                                                          ->3
         11    >   FE_FREE                                                      $7
   31    12        INIT_FCALL                                                   'var_export'
         13        SEND_VAR                                                     !1
         14        DO_ICALL                                                     
         15      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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