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<?php $ar1 = array( (object) array('id' => '1505', 'category' => 'blue'), (object) array('id' => '1805', 'category' => 'red') ); $ar2 = array( '1777' => (object) array('id' => '1505', 'category' => 'yellow'), '1877' => (object) array('id' => '1507', 'category' => 'blue'), ); $ids = array_column($ar1, 'id'); $ar3 = array_merge_recursive($ar1, array_filter($ar2, function($x) use ($ids) { return !in_array($x->id, $ids); })); print_r($ar3);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SB4un
function name:  (null)
number of ops:  30
compiled vars:  !0 = $ar1, !1 = $ar2, !2 = $ids, !3 = $ar3
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   CAST                                              8  ~4      <array>
          1        INIT_ARRAY                                           ~5      ~4
          2        CAST                                              8  ~6      <array>
          3        ADD_ARRAY_ELEMENT                                    ~5      ~6
          4        ASSIGN                                                       !0, ~5
    4     5        CAST                                              8  ~8      <array>
          6        INIT_ARRAY                                           ~9      ~8, 1777
          7        CAST                                              8  ~10     <array>
          8        ADD_ARRAY_ELEMENT                                    ~9      ~10, 1877
          9        ASSIGN                                                       !1, ~9
    5    10        INIT_FCALL                                                   'array_column'
         11        SEND_VAR                                                     !0
         12        SEND_VAL                                                     'id'
         13        DO_ICALL                                             $12     
         14        ASSIGN                                                       !2, $12
    6    15        INIT_FCALL                                                   'array_merge_recursive'
         16        SEND_VAR                                                     !0
         17        INIT_FCALL                                                   'array_filter'
         18        SEND_VAR                                                     !1
         19        DECLARE_LAMBDA_FUNCTION                              ~14     [0]
         20        BIND_LEXICAL                                                 ~14, !2
    8    21        SEND_VAL                                                     ~14
    6    22        DO_ICALL                                             $15     
    8    23        SEND_VAR                                                     $15
    6    24        DO_ICALL                                             $16     
         25        ASSIGN                                                       !3, $16
   10    26        INIT_FCALL                                                   'print_r'
         27        SEND_VAR                                                     !3
         28        DO_ICALL                                                     
         29      > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SB4un
function name:  {closure:/in/SB4un:6}
number of ops:  7
compiled vars:  !0 = $x, !1 = $ids
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   RECV                                                 !0      
          1        BIND_STATIC                                                  !1
    7     2        FETCH_OBJ_R                                          ~2      !0, 'id'
          3        FRAMELESS_ICALL_2                in_array            ~3      ~2, !1
          4        BOOL_NOT                                             ~4      ~3
          5      > RETURN                                                       ~4
    8     6*     > RETURN                                                       null

End of Dynamic Function 0

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