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<?php function delkakko($word) { $delkakko = preg_replace("/\(.+?\)/", "", $word); echo $delkakko . PHP_EOL; } delkakko('(aaa)bbb'); delkakko('(aaaaa)bbbbb'); delkakko('(a(aaa)aa)bbb');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/b1YQB
function name:  (null)
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'delkakko'
          1        SEND_VAL                                                 '%28aaa%29bbb'
          2        DO_FCALL                                      0          
    9     3        INIT_FCALL                                               'delkakko'
          4        SEND_VAL                                                 '%28aaaaa%29bbbbb'
          5        DO_FCALL                                      0          
   10     6        INIT_FCALL                                               'delkakko'
          7        SEND_VAL                                                 '%28a%28aaa%29aa%29bbb'
          8        DO_FCALL                                      0          
          9      > RETURN                                                   1

Function delkakko:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/b1YQB
function name:  delkakko
number of ops:  10
compiled vars:  !0 = $word, !1 = $delkakko
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%5C%28.%2B%3F%5C%29%2F'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ASSIGN                                                   !1, $2
    5     7        CONCAT                                           ~4      !1, '%0A'
          8        ECHO                                                     ~4
    6     9      > RETURN                                                   null

End of function delkakko

Generated using Vulcan Logic Dumper, using php 8.0.0


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