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<?php echo preg_quote('/?'); echo preg_match('#/?#','biopure.com/geoff/frank=1&bob=0');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mC77c
function name:  (null)
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'preg_quote'
          1        SEND_VAL                                                 '%2F%3F'
          2        DO_ICALL                                         $0      
          3        ECHO                                                     $0
    3     4        INIT_FCALL                                               'preg_match'
          5        SEND_VAL                                                 '%23%2F%3F%23'
          6        SEND_VAL                                                 'biopure.com%2Fgeoff%2Ffrank%3D1%26bob%3D0'
          7        DO_ICALL                                         $1      
          8        ECHO                                                     $1
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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