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<?php $a = 'askdfjl ak<input name="submit" type="submit" id="submit" value="发表评论" />afadf'; echo preg_replace('/<input name="submit"[^>]+>/', '', $a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WC9BQ
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'askdfjl+ak%3Cinput+name%3D%22submit%22+type%3D%22submit%22+id%3D%22submit%22+value%3D%22%E5%8F%91%E8%A1%A8%E8%AF%84%E8%AE%BA%22+%2F%3Eafadf'
    4     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%3Cinput+name%3D%22submit%22%5B%5E%3E%5D%2B%3E%2F'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ECHO                                                     $2
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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