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<? $x = "jasldfnjks"; echo strlen($x); echo preg_match('~[0-9a-zA-ZäöüÄÖÜß&]{strlen($x)}~', $x); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/U6m6i
function name:  (null)
number of ops:  9
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'jasldfnjks'
    3     1        STRLEN                                           ~2      !0
          2        ECHO                                                     ~2
    4     3        INIT_FCALL                                               'preg_match'
          4        SEND_VAL                                                 '%7E%5B0-9a-zA-Z%C3%A4%C3%B6%C3%BC%C3%84%C3%96%C3%9C%C3%9F%26%5D%7Bstrlen%28%24x%29%7D%7E'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $3      
          7        ECHO                                                     $3
    5     8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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