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<?php $string = "\xEF\xBB\xBF\x22\x61\x22\x0A"; var_dump(mb_detect_encoding($string)); $stream = fopen('php://memory', 'w+'); fwrite($stream, $string); rewind($stream); var_dump(fgets($stream, 1000));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5sQrN
function name:  (null)
number of ops:  27
compiled vars:  !0 = $string, !1 = $stream
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%EF%BB%BF%22a%22%0A'
    5     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'mb_detect_encoding'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $3      
          5        SEND_VAR                                                 $3
          6        DO_ICALL                                                 
    7     7        INIT_FCALL                                               'fopen'
          8        SEND_VAL                                                 'php%3A%2F%2Fmemory'
          9        SEND_VAL                                                 'w%2B'
         10        DO_ICALL                                         $5      
         11        ASSIGN                                                   !1, $5
    8    12        INIT_FCALL                                               'fwrite'
         13        SEND_VAR                                                 !1
         14        SEND_VAR                                                 !0
         15        DO_ICALL                                                 
    9    16        INIT_FCALL                                               'rewind'
         17        SEND_VAR                                                 !1
         18        DO_ICALL                                                 
   11    19        INIT_FCALL                                               'var_dump'
         20        INIT_FCALL                                               'fgets'
         21        SEND_VAR                                                 !1
         22        SEND_VAL                                                 1000
         23        DO_ICALL                                         $9      
         24        SEND_VAR                                                 $9
         25        DO_ICALL                                                 
         26      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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