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<?php $resolved = [ ['field_test_alias_a'], ['field_test_alias_b'], ]; $hash_a = spl_object_hash((object) $resolved[0]); $hash_b = spl_object_hash((object) $resolved[1]); var_dump($hash_a); var_dump($hash_b); var_dump($hash_a === $hash_b); var_dump($resolved[0] === $resolved[1]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uW39Z
function name:  (null)
number of ops:  30
compiled vars:  !0 = $resolved, !1 = $hash_a, !2 = $hash_b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    8     1        INIT_FCALL                                               'spl_object_hash'
          2        FETCH_DIM_R                                      ~4      !0, 0
          3        CAST                                          8  ~5      ~4
          4        SEND_VAL                                                 ~5
          5        DO_ICALL                                         $6      
          6        ASSIGN                                                   !1, $6
    9     7        INIT_FCALL                                               'spl_object_hash'
          8        FETCH_DIM_R                                      ~8      !0, 1
          9        CAST                                          8  ~9      ~8
         10        SEND_VAL                                                 ~9
         11        DO_ICALL                                         $10     
         12        ASSIGN                                                   !2, $10
   10    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !1
         15        DO_ICALL                                                 
   11    16        INIT_FCALL                                               'var_dump'
         17        SEND_VAR                                                 !2
         18        DO_ICALL                                                 
   12    19        INIT_FCALL                                               'var_dump'
         20        IS_IDENTICAL                                     ~14     !1, !2
         21        SEND_VAL                                                 ~14
         22        DO_ICALL                                                 
   13    23        INIT_FCALL                                               'var_dump'
         24        FETCH_DIM_R                                      ~16     !0, 0
         25        FETCH_DIM_R                                      ~17     !0, 1
         26        IS_IDENTICAL                                     ~18     ~16, ~17
         27        SEND_VAL                                                 ~18
         28        DO_ICALL                                                 
         29      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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