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<?php mb_substitute_character((int)0x2a); var_dump(mb_convert_encoding("a bad angle bracket \xC0\xBC here", "UTF-8", "UTF-8"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/m90DZ
function name:  (null)
number of ops:  13
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'mb_substitute_character'
          1        CAST                                          4  ~0      42
          2        SEND_VAL                                                 ~0
          3        DO_ICALL                                                 
    5     4        INIT_FCALL                                               'var_dump'
          5        INIT_FCALL                                               'mb_convert_encoding'
          6        SEND_VAL                                                 'a+bad+angle+bracket+%C0%BC+here'
          7        SEND_VAL                                                 'UTF-8'
          8        SEND_VAL                                                 'UTF-8'
          9        DO_ICALL                                         $2      
         10        SEND_VAR                                                 $2
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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