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<?php $string = '1234567890-=qwertyui op[]\asdfghjkl;zxcvbnm,./~!@#$%^&*()_+QWERTYUIOP{}|ASDFGHJKL:"ZXCVBNM<>?'; $string = preg_replace('/\d|\W|_/', '', $string); echo $string;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/noRup
function name:  (null)
number of ops:  9
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '1234567890-%3Dqwertyui++op%5B%5D%5Casdfghjkl%3Bzxcvbnm%2C.%2F%7E%21%40%23%24%25%5E%26%2A%28%29_%2BQWERTYUIOP%7B%7D%7CASDFGHJKL%3A%22ZXCVBNM%3C%3E%3F'
    4     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%5Cd%7C%5CW%7C_%2F'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ASSIGN                                                   !0, $2
    5     7        ECHO                                                     !0
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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