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<?php $input= array(12,43,66,21,56,43,43,78,78,100,43,43,43,21); $count_values = array(); foreach ($input as $a) { @$count_values[$a]++; } echo 'Duplicates count: '.count($count_values); print_r($count_values); ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 9
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 9
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/0nfin
function name:  (null)
number of ops:  17
compiled vars:  !0 = $input, !1 = $count_values, !2 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, <array>
    5     2      > FE_RESET_R                                       $5      !0, ->9
          3    > > FE_FETCH_R                                               $5, !2, ->9
    7     4    >   BEGIN_SILENCE                                    ~6      
          5        FETCH_DIM_RW                                     $7      !1, !2
          6        PRE_INC                                                  $7
          7        END_SILENCE                                              ~6
    5     8      > JMP                                                      ->3
          9    >   FE_FREE                                                  $5
   10    10        COUNT                                            ~9      !1
         11        CONCAT                                           ~10     'Duplicates+count%3A+', ~9
         12        ECHO                                                     ~10
   11    13        INIT_FCALL                                               'print_r'
         14        SEND_VAR                                                 !1
         15        DO_ICALL                                                 
   12    16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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