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<?php $test = "No issue !"; preg_match_all('/^[\x{20}-\x{7E}£¥èéùìòÇ\rØø\nÅåΔ_ΦΓΛΩΠΨΣΘΞ\x{1B}ÆæßÉ ¤¡ÄÖÑܧ¿äöñüà\x{0C}€]*$/u', $test, $matches); var_dump($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6aiCQ
function name:  (null)
number of ops:  10
compiled vars:  !0 = $test, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'No+issue+%21'
    5     1        INIT_FCALL                                               'preg_match_all'
          2        SEND_VAL                                                 '%2F%5E%5B%5Cx%7B20%7D-%5Cx%7B7E%7D%C2%A3%C2%A5%C3%A8%C3%A9%C3%B9%C3%AC%C3%B2%C3%87%5Cr%C3%98%C3%B8%5Cn%C3%85%C3%A5%CE%94_%CE%A6%CE%93%CE%9B%CE%A9%CE%A0%CE%A8%CE%A3%CE%98%CE%9E%5Cx%7B1B%7D%C3%86%C3%A6%C3%9F%C3%89+%C2%A4%C2%A1%C3%84%C3%96%C3%91%C3%9C%C2%A7%C2%BF%C3%A4%C3%B6%C3%B1%C3%BC%C3%A0%5Cx%7B0C%7D%E2%82%AC%5D%2A%24%2Fu'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    6     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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