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<?php $a1 = array('red'); $a2 = array('red', 'blue'); $diff = array_udiff($a1, $a2, function($a, $b) { if($a === $b) { return 0; } else { return -1; } }); var_dump($diff);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YHT5a
function name:  (null)
number of ops:  13
compiled vars:  !0 = $a1, !1 = $a2, !2 = $diff
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, <array>
    5     2        INIT_FCALL                                               'array_udiff'
          3        SEND_VAR                                                 !0
          4        SEND_VAR                                                 !1
    6     5        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FYHT5a%3A6%240'
   13     6        SEND_VAL                                                 ~5
          7        DO_ICALL                                         $6      
    5     8        ASSIGN                                                   !2, $6
   15     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !2
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FYHT5a%3A6%240:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YHT5a
function name:  {closure}
number of ops:  8
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                                             !0, !1
          3      > JMPZ                                                     ~2, ->6
    8     4    > > RETURN                                                   0
          5*       JMP                                                      ->7
   11     6    > > RETURN                                                   -1
   13     7*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FYHT5a%3A6%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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