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<?php $variable = "abcxyz ABCXYZÅåÄäÖö\t\r\n*0123456789"; var_dump(preg_match('/^[a-z A-Z\Å\å\Ä\ä\Ö\ö\s*\d]+$/u', $variable));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ddIcd
function name:  (null)
number of ops:  6
compiled vars:  !0 = $variable
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'abcxyz+ABCXYZ%C3%85%C3%A5%C3%84%C3%A4%C3%96%C3%B6%09%0D%0A%2A0123456789'
    4     1        INIT_FCALL                                                   'var_dump'
          2        FRAMELESS_ICALL_2                preg_match          ~2      '%2F%5E%5Ba-z+A-Z%5C%C3%85%5C%C3%A5%5C%C3%84%5C%C3%A4%5C%C3%96%5C%C3%B6%5Cs%2A%5Cd%5D%2B%24%2Fu', !0
          3        SEND_VAL                                                     ~2
          4        DO_ICALL                                                     
          5      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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