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<?php $ids=array("a","b","c","d","e"); $groups=array(array("a","c"),array("c","e")); array_walk($groups,function($v,$i)use(&$ids){ $ids=array_diff($ids,$v); }); print_r($ids);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uo4Us
function name:  (null)
number of ops:  12
compiled vars:  !0 = $ids, !1 = $groups
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, <array>
    3     1        ASSIGN                                                       !1, <array>
    4     2        INIT_FCALL                                                   'array_walk'
          3        SEND_REF                                                     !1
          4        DECLARE_LAMBDA_FUNCTION                              ~4      [0]
          5        BIND_LEXICAL                                                 ~4, !0
    6     6        SEND_VAL                                                     ~4
    4     7        DO_ICALL                                                     
    7     8        INIT_FCALL                                                   'print_r'
          9        SEND_VAR                                                     !0
         10        DO_ICALL                                                     
         11      > 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/uo4Us
function name:  {closure:/in/uo4Us:4}
number of ops:  9
compiled vars:  !0 = $v, !1 = $i, !2 = $ids
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
          2        BIND_STATIC                                                  !2
    5     3        INIT_FCALL                                                   'array_diff'
          4        SEND_VAR                                                     !2
          5        SEND_VAR                                                     !0
          6        DO_ICALL                                             $3      
          7        ASSIGN                                                       !2, $3
    6     8      > RETURN                                                       null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.5.0


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