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<?php echo $a = 'stackoverflow'; echo '<br><br>'; echo $b = '$2a$10$bf57caf7e1fa23e4b975ab'; echo '<br><br>'; echo crypt($a, $b);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nPmgO
function name:  (null)
number of ops:  12
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                           ~2      !0, 'stackoverflow'
          1        ECHO                                                     ~2
    3     2        ECHO                                                     '%3Cbr%3E%3Cbr%3E'
    4     3        ASSIGN                                           ~3      !1, '%242a%2410%24bf57caf7e1fa23e4b975ab'
          4        ECHO                                                     ~3
    5     5        ECHO                                                     '%3Cbr%3E%3Cbr%3E'
    6     6        INIT_FCALL                                               'crypt'
          7        SEND_VAR                                                 !0
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                         $4      
         10        ECHO                                                     $4
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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