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<?php $text = <<<TEXT SU4R C45G G3HD 61U14XE7AR23 914K16W471LV V6SQ5V16LG91 24YL4HW956C3 UZ26J12K615V T741MH4N739W 31ST445G726H 621EH6VW7Q6M 55N629WJ945P 56TX2W6LC949 44DS765CF739 XC262HV1JZ6V 26YD4N1Y71F7 S4M3F1XeDC0D TEXT; preg_match_all( '/\b(?:[a-z\d]{4}(?:[a-z\d]{8})?)\b/i', $text, $matches ); var_export($matches[0]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/FZjkl
function name:  (null)
number of ops:  11
compiled vars:  !0 = $text, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'SU4R%0AC45G%0AG3HD%0A61U14XE7AR23+914K16W471LV+V6SQ5V16LG91+24YL4HW956C3+UZ26J12K615V+T741MH4N739W+31ST445G726H+621EH6VW7Q6M+55N629WJ945P+56TX2W6LC949+44DS765CF739+XC262HV1JZ6V+26YD4N1Y71F7+S4M3F1XeDC0D'
   10     1        INIT_FCALL                                               'preg_match_all'
   11     2        SEND_VAL                                                 '%2F%5Cb%28%3F%3A%5Ba-z%5Cd%5D%7B4%7D%28%3F%3A%5Ba-z%5Cd%5D%7B8%7D%29%3F%29%5Cb%2Fi'
   12     3        SEND_VAR                                                 !0
   13     4        SEND_REF                                                 !1
   10     5        DO_ICALL                                                 
   15     6        INIT_FCALL                                               'var_export'
          7        FETCH_DIM_R                                      ~4      !1, 0
          8        SEND_VAL                                                 ~4
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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