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<?php error_reporting(PHP_INT_MAX); ini_set("mbstring.substitute_character", (string) ord("X")); ini_set("mbstring.strict_detection", "1"); // no effect // bytes 0x80-0xff are not valid ASCII: echo 1, rawurlencode(mb_convert_encoding("\x80", "UTF-8", "ASCII")) . "\n"; // bytes 0x80-0x9f are not valid ISO-8859-1: echo 2, rawurlencode(mb_convert_encoding("\x80", "UTF-8", "ISO-8859-1")) . "\n"; echo 3, rawurlencode(mb_convert_encoding("\x80", "UTF-8", "UTF-8")) . "\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nCgbh
function name:  (null)
number of ops:  46
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 9223372036854775807
          2        DO_ICALL                                                 
    4     3        INIT_FCALL                                               'ini_set'
          4        SEND_VAL                                                 'mbstring.substitute_character'
          5        CAST                                          6  ~1      88
          6        SEND_VAL                                                 ~1
          7        DO_ICALL                                                 
    5     8        INIT_FCALL                                               'ini_set'
          9        SEND_VAL                                                 'mbstring.strict_detection'
         10        SEND_VAL                                                 '1'
         11        DO_ICALL                                                 
    7    12        ECHO                                                     1
         13        INIT_FCALL                                               'rawurlencode'
         14        INIT_FCALL                                               'mb_convert_encoding'
         15        SEND_VAL                                                 '%80'
         16        SEND_VAL                                                 'UTF-8'
         17        SEND_VAL                                                 'ASCII'
         18        DO_ICALL                                         $4      
         19        SEND_VAR                                                 $4
         20        DO_ICALL                                         $5      
         21        CONCAT                                           ~6      $5, '%0A'
         22        ECHO                                                     ~6
    9    23        ECHO                                                     2
         24        INIT_FCALL                                               'rawurlencode'
         25        INIT_FCALL                                               'mb_convert_encoding'
         26        SEND_VAL                                                 '%80'
         27        SEND_VAL                                                 'UTF-8'
         28        SEND_VAL                                                 'ISO-8859-1'
         29        DO_ICALL                                         $7      
         30        SEND_VAR                                                 $7
         31        DO_ICALL                                         $8      
         32        CONCAT                                           ~9      $8, '%0A'
         33        ECHO                                                     ~9
   10    34        ECHO                                                     3
         35        INIT_FCALL                                               'rawurlencode'
         36        INIT_FCALL                                               'mb_convert_encoding'
         37        SEND_VAL                                                 '%80'
         38        SEND_VAL                                                 'UTF-8'
         39        SEND_VAL                                                 'UTF-8'
         40        DO_ICALL                                         $10     
         41        SEND_VAR                                                 $10
         42        DO_ICALL                                         $11     
         43        CONCAT                                           ~12     $11, '%0A'
         44        ECHO                                                     ~12
         45      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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