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<?php $pattern = '/{{' . '(?P<directiveName>[a-z]+)(?:[\s\t]*)' . '(?:\s*(?P<quoteType>[\'"])(?P<value>(?:(?!\k\'quoteType\').)*?)(?<!\\\)\k\'quoteType\')?' . '(?P<parameters>.*?)' . '(?P<filters>(?:\|[a-z0-9:_-]+)+)?' . '}}' . '(?:(?P<content>.*?){{\/(?P=directiveName)}})?' . '/si'; echo PHP_EOL . $pattern . PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/X3o9O
function name:  (null)
number of ops:  5
compiled vars:  !0 = $pattern
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%2F%7B%7B%28%3FP%3CdirectiveName%3E%5Ba-z%5D%2B%29%28%3F%3A%5B%5Cs%5Ct%5D%2A%29%28%3F%3A%5Cs%2A%28%3FP%3CquoteType%3E%5B%27%22%5D%29%28%3FP%3Cvalue%3E%28%3F%3A%28%3F%21%5Ck%27quoteType%27%29.%29%2A%3F%29%28%3F%3C%21%5C%5C%29%5Ck%27quoteType%27%29%3F%28%3FP%3Cparameters%3E.%2A%3F%29%28%3FP%3Cfilters%3E%28%3F%3A%5C%7C%5Ba-z0-9%3A_-%5D%2B%29%2B%29%3F%7D%7D%28%3F%3A%28%3FP%3Ccontent%3E.%2A%3F%29%7B%7B%5C%2F%28%3FP%3DdirectiveName%29%7D%7D%29%3F%2Fsi'
   12     1        CONCAT                                           ~2      '%0A', !0
          2        CONCAT                                           ~3      ~2, '%0A'
          3        ECHO                                                     ~3
   13     4      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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