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<?php preg_match_all('/[\p{InCJK_Radicals_Supplement}\p{InKangxi_Radicals}\p{InIdeographic_Description_Characters}\p{InCJK_Symbols_and_Punctuation}\p{InHiragana}\p{InKatakana}\p{InBopomofo}\p{InHangul_Compatibility_Jamo}\p{InKanbun}\p{InBopomofo_Extended}\p{InKatakana_Phonetic_Extensions}\p{InEnclosed_CJK_Letters_and_Months}\p{InCJK_Compatibility}\p{InCJK_Unified_Ideographs_Extension_A}\p{InYijing_Hexagram_Symbols}\p{InCJK_Unified_Ideographs}]/', 'test åäö', $matches); var_dump($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/sXg1V
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_all'
          1        SEND_VAL                                                 '%2F%5B%5Cp%7BInCJK_Radicals_Supplement%7D%5Cp%7BInKangxi_Radicals%7D%5Cp%7BInIdeographic_Description_Characters%7D%5Cp%7BInCJK_Symbols_and_Punctuation%7D%5Cp%7BInHiragana%7D%5Cp%7BInKatakana%7D%5Cp%7BInBopomofo%7D%5Cp%7BInHangul_Compatibility_Jamo%7D%5Cp%7BInKanbun%7D%5Cp%7BInBopomofo_Extended%7D%5Cp%7BInKatakana_Phonetic_Extensions%7D%5Cp%7BInEnclosed_CJK_Letters_and_Months%7D%5Cp%7BInCJK_Compatibility%7D%5Cp%7BInCJK_Unified_Ideographs_Extension_A%7D%5Cp%7BInYijing_Hexagram_Symbols%7D%5Cp%7BInCJK_Unified_Ideographs%7D%5D%2F'
          2        SEND_VAL                                                 'test+%C3%A5%C3%A4%C3%B6'
          3        SEND_REF                                                 !0
          4        DO_ICALL                                                 
    4     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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