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<?php $string = 'miauw\u931'; $result = preg_replace('/./uD', '', $string, -1, $count); var_dump( $string, $result, $count );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/G1mvn
function name:  (null)
number of ops:  15
compiled vars:  !0 = $string, !1 = $result, !2 = $count
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'miauw%5Cu931'
    5     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F.%2FuD'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        SEND_VAL                                                 -1
          6        SEND_REF                                                 !2
          7        DO_ICALL                                         $4      
          8        ASSIGN                                                   !1, $4
    7     9        INIT_FCALL                                               'var_dump'
    8    10        SEND_VAR                                                 !0
    9    11        SEND_VAR                                                 !1
   10    12        SEND_VAR                                                 !2
         13        DO_ICALL                                                 
   11    14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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