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<?php $a1 = [ ['target_id' => 124], ['target_id' => 234], ['target_id' => 345], ]; $a2 = [ ['target_id' => 123, 'type' => 'node'], ['target_id' => 234, 'type' => 'node'], ['target_id' => 345, 'type' => 'node'], ]; var_dump(array_udiff($a1, $a2, function ($a, $b) { if ($a['target_id'] == $b['target_id']) { return -1; } return 0; }));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3JUlZ
function name:  (null)
number of ops:  12
compiled vars:  !0 = $a1, !1 = $a2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1        ASSIGN                                                   !1, <array>
   15     2        INIT_FCALL                                               'var_dump'
          3        INIT_FCALL                                               'array_udiff'
          4        SEND_VAR                                                 !0
          5        SEND_VAR                                                 !1
          6        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F3JUlZ%3A15%240'
   20     7        SEND_VAL                                                 ~4
          8        DO_ICALL                                         $5      
          9        SEND_VAR                                                 $5
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2F3JUlZ%3A15%240:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3JUlZ
function name:  {closure}
number of ops:  9
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   16     2        FETCH_DIM_R                                      ~2      !0, 'target_id'
          3        FETCH_DIM_R                                      ~3      !1, 'target_id'
          4        IS_EQUAL                                                 ~2, ~3
          5      > JMPZ                                                     ~4, ->7
   17     6    > > RETURN                                                   -1
   19     7    > > RETURN                                                   0
   20     8*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2F3JUlZ%3A15%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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