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<?php $frase = "é isso"; echo preg_match('/^[\D\S]+$/', $frase);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/piaZP
function name:  (null)
number of ops:  4
compiled vars:  !0 = $frase
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, '%C3%A9+isso'
    3     1        FRAMELESS_ICALL_2                preg_match          ~2      '%2F%5E%5B%5CD%5CS%5D%2B%24%2F', !0
          2        ECHO                                                         ~2
          3      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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