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<?php $items = array(10, 20, 30); $items1 = array(11, 21, 31); $udiff = array_udiff($items, $items1, function ($a, $b) { $result = $a === $b; print("Comparing $a to $b, result is $result\n"); return $result; }); var_dump($udiff);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UT3i5
function name:  (null)
number of ops:  13
compiled vars:  !0 = $items, !1 = $items1, !2 = $udiff
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, <array>
    5     1        ASSIGN                                                   !1, <array>
    7     2        INIT_FCALL                                               'array_udiff'
          3        SEND_VAR                                                 !0
          4        SEND_VAR                                                 !1
          5        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FUT3i5%3A7%240'
   11     6        SEND_VAL                                                 ~5
          7        DO_ICALL                                         $6      
    7     8        ASSIGN                                                   !2, $6
   13     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !2
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FUT3i5%3A7%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UT3i5
function name:  {closure}
number of ops:  14
compiled vars:  !0 = $a, !1 = $b, !2 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    8     2        IS_IDENTICAL                                     ~3      !0, !1
          3        ASSIGN                                                   !2, ~3
    9     4        ROPE_INIT                                     7  ~6      'Comparing+'
          5        ROPE_ADD                                      1  ~6      ~6, !0
          6        ROPE_ADD                                      2  ~6      ~6, '+to+'
          7        ROPE_ADD                                      3  ~6      ~6, !1
          8        ROPE_ADD                                      4  ~6      ~6, '%2C+result+is+'
          9        ROPE_ADD                                      5  ~6      ~6, !2
         10        ROPE_END                                      6  ~5      ~6, '%0A'
         11        ECHO                                                     ~5
   10    12      > RETURN                                                   !2
   11    13*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FUT3i5%3A7%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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