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<? $str = "1234567 foo bar 122345678 baz 1222345 abc 11111222345 de xy 712111345446 is valid or even 49833376543"; if(preg_match_all('~\d{7,}~', $str, $out) > 0) { $res = array_filter($out[0], function($v) { return count(array_unique(str_split($v))) >= 7; }); } print_r($res); ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 15
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
filename:       /in/EMpNP
function name:  (null)
number of ops:  19
compiled vars:  !0 = $str, !1 = $out, !2 = $res
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '1234567+foo%0Abar+122345678+baz%0A1222345+abc%0A11111222345+de+xy%0A712111345446+is+valid+or+even+49833376543'
    9     1        INIT_FCALL                                               'preg_match_all'
          2        SEND_VAL                                                 '%7E%5Cd%7B7%2C%7D%7E'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                         $4      
          6        IS_SMALLER                                               0, $4
          7      > JMPZ                                                     ~5, ->15
   11     8    >   INIT_FCALL                                               'array_filter'
          9        FETCH_DIM_R                                      ~6      !1, 0
         10        SEND_VAL                                                 ~6
         11        DECLARE_LAMBDA_FUNCTION                          ~7      [0]
   13    12        SEND_VAL                                                 ~7
   11    13        DO_ICALL                                         $8      
         14        ASSIGN                                                   !2, $8
   16    15    >   INIT_FCALL                                               'print_r'
         16        SEND_VAR                                                 !2
         17        DO_ICALL                                                 
   18    18      > 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/EMpNP
function name:  {closure}
number of ops:  11
compiled vars:  !0 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   RECV                                             !0      
   12     1        INIT_FCALL                                               'array_unique'
          2        INIT_FCALL                                               'str_split'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $1      
          5        SEND_VAR                                                 $1
          6        DO_ICALL                                         $2      
          7        COUNT                                            ~3      $2
          8        IS_SMALLER_OR_EQUAL                              ~4      7, ~3
          9      > RETURN                                                   ~4
   13    10*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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