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<?php print_r(mb_substr("高危错类信息", 2));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iegRL
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'print_r'
          1        INIT_FCALL                                               'mb_substr'
          2        SEND_VAL                                                 '%E9%AB%98%E5%8D%B1%E9%94%99%E7%B1%BB%E4%BF%A1%E6%81%AF'
          3        SEND_VAL                                                 2
          4        DO_ICALL                                         $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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