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<?php $comentario = '\\'; echo preg_match( '/\\\/', $comentario ); echo preg_match( '/\\\/m', $comentario,$assert ); var_dump($assert);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/q76F5
function name:  (null)
number of ops:  16
compiled vars:  !0 = $comentario, !1 = $assert
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%5C'
    3     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5C%5C%2F'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $3      
          5        ECHO                                                     $3
    4     6        INIT_FCALL                                               'preg_match'
          7        SEND_VAL                                                 '%2F%5C%5C%2Fm'
          8        SEND_VAR                                                 !0
          9        SEND_REF                                                 !1
         10        DO_ICALL                                         $4      
         11        ECHO                                                     $4
    5    12        INIT_FCALL                                               'var_dump'
         13        SEND_VAR                                                 !1
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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