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<?php $arr1 = array('0'=>'55959'); $arr2 = array('0'=>'55959', '1'=>'55867', '2'=>'55960'); $diff = array_diff($arr1, $arr2); echo count($diff);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pmPX0
function name:  (null)
number of ops:  10
compiled vars:  !0 = $arr1, !1 = $arr2, !2 = $diff
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, <array>
    6     2        INIT_FCALL                                               'array_diff'
          3        SEND_VAR                                                 !0
          4        SEND_VAR                                                 !1
          5        DO_ICALL                                         $5      
          6        ASSIGN                                                   !2, $5
    8     7        COUNT                                            ~7      !2
          8        ECHO                                                     ~7
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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