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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 = 7
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/TBO5v
function name:  (null)
number of ops:  15
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, ->7
          3    > > FE_FETCH_R                                               $5, !2, ->7
    7     4    >   FETCH_DIM_RW                                     $6      !1, !2
          5        PRE_INC                                                  $6
    5     6      > JMP                                                      ->3
          7    >   FE_FREE                                                  $5
   10     8        COUNT                                            ~8      !1
          9        CONCAT                                           ~9      'Duplicates+count%3A+', ~8
         10        ECHO                                                     ~9
   11    11        INIT_FCALL                                               'print_r'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                                 
   12    14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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