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<?php $query = '{{aaa}} {b}'; $query = preg_replace("/\\{\\}(?:,?\\{\\})+/", "{}", $query); var_dump($query);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OmHHQ
function name:  (null)
number of ops:  11
compiled vars:  !0 = $query
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%7B%7Baaa%7D%7D+%7Bb%7D'
    3     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%5C%7B%5C%7D%28%3F%3A%2C%3F%5C%7B%5C%7D%29%2B%2F'
          3        SEND_VAL                                                 '%7B%7D'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ASSIGN                                                   !0, $2
    4     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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