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<?php $object = '/^ba\/r$/ui'; var_dump(substr(0, strrpos($object, "/")));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vjOuH
function name:  (null)
number of ops:  13
compiled vars:  !0 = $object
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%2F%5Eba%5C%2Fr%24%2Fui'
    5     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'substr'
          3        SEND_VAL                                                 0
          4        INIT_FCALL                                               'strrpos'
          5        SEND_VAR                                                 !0
          6        SEND_VAL                                                 '%2F'
          7        DO_ICALL                                         $2      
          8        SEND_VAR                                                 $2
          9        DO_ICALL                                         $3      
         10        SEND_VAR                                                 $3
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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