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<?php $string = "mi\xe9rcoles"; // é echo preg_replace('/&#x([a-f0-9]+);/mei',"chr(0x\\1)",$string);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/e9JPr
function name:  (null)
number of ops:  8
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'mi%E9rcoles'
    3     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%26%23x%28%5Ba-f0-9%5D%2B%29%3B%2Fmei'
          3        SEND_VAL                                                 'chr%280x%5C1%29'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ECHO                                                     $2
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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