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<?php echo preg_replace('/[^\da-zA-Z]/i', '', 'abc 0123 a-b-c 0-1-2-3 a.b.c 1.2.3 ');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0RUH9
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'preg_replace'
          1        SEND_VAL                                                 '%2F%5B%5E%5Cda-zA-Z%5D%2Fi'
          2        SEND_VAL                                                 ''
          3        SEND_VAL                                                 'abc+0123+a-b-c+0-1-2-3+a.b.c+1.2.3+'
          4        DO_ICALL                                         $0      
          5        ECHO                                                     $0
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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