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<?php echo preg_replace('/[^a-zA-Z0-9_\.]/', '', "He..___.llo1---23.###6556&.WOrld!;;;");
Finding entry points
Branch analysis from position: 0
Jump found. (Code = 62) Position 1 = -2
filename:       /in/NO9sJ
function name:  (null)
number of ops:  7
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   INIT_FCALL                                               'preg_replace'
         1        SEND_VAL                                                 '%2F%5B%5Ea-zA-Z0-9_%5C.%5D%2F'
         2        SEND_VAL                                                 ''
         3        SEND_VAL                                                 'He..___.llo1---23.%23%23%236556%26.WOrld%21%3B%3B%3B'
         4        DO_ICALL                                         $0      
         5        ECHO                                                     $0
         6      > RETURN                                                   1

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