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<?php $items = array(1, 2, 3, 4); $udiff = array_udiff($items, $items, function ($a, $b) { return $a === $b; }); var_dump($udiff);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0AuMM
function name:  (null)
number of ops:  12
compiled vars:  !0 = $items, !1 = $udiff
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, <array>
    6     1        INIT_FCALL                                               'array_udiff'
          2        SEND_VAR                                                 !0
          3        SEND_VAR                                                 !0
          4        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F0AuMM%3A6%240'
    8     5        SEND_VAL                                                 ~3
          6        DO_ICALL                                         $4      
    6     7        ASSIGN                                                   !1, $4
   10     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2F0AuMM%3A6%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0AuMM
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    7     2        IS_IDENTICAL                                     ~2      !0, !1
          3      > RETURN                                                   ~2
    8     4*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2F0AuMM%3A6%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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