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<?php preg_match('/^((?:(?:[^?+*{}()[\\]\\\\|]+|\\\\.|\\[(?:\\^?\\\\.|\\^[^\\\\]|[^\\\\^])(?:[^\\]\\\\]+|\\\\.)*\\]|\\((?:\\?[:=!]|\\?<[=!]|\\?>)?(?1)??\\)|\\(\\?(?:R|[+-]?\\d+)\\))(?:(?:[?+*]|\\{\\d+(?:,\\d*)?\\})[?+]?)?|\\|)*)$/', '~1~', $matches); var_dump($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ELvZd
function name:  (null)
number of ops:  9
compiled vars:  !0 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%5E%28%28%3F%3A%28%3F%3A%5B%5E%3F%2B%2A%7B%7D%28%29%5B%5C%5D%5C%5C%7C%5D%2B%7C%5C%5C.%7C%5C%5B%28%3F%3A%5C%5E%3F%5C%5C.%7C%5C%5E%5B%5E%5C%5C%5D%7C%5B%5E%5C%5C%5E%5D%29%28%3F%3A%5B%5E%5C%5D%5C%5C%5D%2B%7C%5C%5C.%29%2A%5C%5D%7C%5C%28%28%3F%3A%5C%3F%5B%3A%3D%21%5D%7C%5C%3F%3C%5B%3D%21%5D%7C%5C%3F%3E%29%3F%28%3F1%29%3F%3F%5C%29%7C%5C%28%5C%3F%28%3F%3AR%7C%5B%2B-%5D%3F%5Cd%2B%29%5C%29%29%28%3F%3A%28%3F%3A%5B%3F%2B%2A%5D%7C%5C%7B%5Cd%2B%28%3F%3A%2C%5Cd%2A%29%3F%5C%7D%29%5B%3F%2B%5D%3F%29%3F%7C%5C%7C%29%2A%29%24%2F'
          2        SEND_VAL                                                 '%7E1%7E'
          3        SEND_REF                                                 !0
          4        DO_ICALL                                                 
    5     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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