3v4l.org

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<?php $txt = <<<TEXT foo { A } foo { A } foo { B } foo { A } foo { C } TEXT; echo preg_replace('/\R{0,2}.*{[^}]*A[^}]*}/', '', $txt); echo "\n---\n"; echo preg_replace('/\R{0,2}.+{[^}]*A[^}]*}/', '', $txt); echo "\n---\n"; echo preg_replace('/\R{0,2}.*?{[^}]*A[^}]*}/', '', $txt); echo "\n---\n"; echo preg_replace('/\R{0,2}.+?{[^}]*A[^}]*}/', '', $txt);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4ftgl
function name:  (null)
number of ops:  29
compiled vars:  !0 = $txt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'foo+%7B%0A+++++A%0A%7D%0A%0Afoo+%7B%0A+++++A%0A%7D%0A%0Afoo+%7B%0A+++++B%0A%7D%0A%0Afoo+%7B%0A+++++A%0A%7D%0A%0Afoo+%7B%0A+++++C%0A%7D'
   25     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%5CR%7B0%2C2%7D.%2A%7B%5B%5E%7D%5D%2AA%5B%5E%7D%5D%2A%7D%2F'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ECHO                                                     $2
   26     7        ECHO                                                     '%0A---%0A'
   27     8        INIT_FCALL                                               'preg_replace'
          9        SEND_VAL                                                 '%2F%5CR%7B0%2C2%7D.%2B%7B%5B%5E%7D%5D%2AA%5B%5E%7D%5D%2A%7D%2F'
         10        SEND_VAL                                                 ''
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                         $3      
         13        ECHO                                                     $3
   28    14        ECHO                                                     '%0A---%0A'
   29    15        INIT_FCALL                                               'preg_replace'
         16        SEND_VAL                                                 '%2F%5CR%7B0%2C2%7D.%2A%3F%7B%5B%5E%7D%5D%2AA%5B%5E%7D%5D%2A%7D%2F'
         17        SEND_VAL                                                 ''
         18        SEND_VAR                                                 !0
         19        DO_ICALL                                         $4      
         20        ECHO                                                     $4
   30    21        ECHO                                                     '%0A---%0A'
   31    22        INIT_FCALL                                               'preg_replace'
         23        SEND_VAL                                                 '%2F%5CR%7B0%2C2%7D.%2B%3F%7B%5B%5E%7D%5D%2AA%5B%5E%7D%5D%2A%7D%2F'
         24        SEND_VAL                                                 ''
         25        SEND_VAR                                                 !0
         26        DO_ICALL                                         $5      
         27        ECHO                                                     $5
         28      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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