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<?php $s="Drive's Basic View 123"; echo $result = preg_replace("/[^a-zA-Z0-9]+/", "", $s);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/I5QUR
function name:  (null)
number of ops:  9
compiled vars:  !0 = $s, !1 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'Drive%27s+Basic+View+123'
    4     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%5B%5Ea-zA-Z0-9%5D%2B%2F'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        ASSIGN                                           ~4      !1, $3
          7        ECHO                                                     ~4
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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