3v4l.org

run code in 500+ PHP versions simultaneously
<?php function my_retarded_escape(string $str): string { $parts = explode("\00", $str); $parts = array_map([ 'SQLite3', 'escapeString' ], $parts); $str = implode("' || x'00' || '", $parts); return $str; } $db = new PDO('sqlite::memory:', '', '', array( PDO::ATTR_EMULATE_PREPARES => false, PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION )); $db->exec(' CREATE TABLE foo(input TEXT);'); $text = "tro\x00lolo"; $db->query("INSERT INTO foo(`input`) VALUES ('" . SQLite3::escapeString($text) . "'),('" . my_retarded_escape($text) . "');"); var_dump($db->query("SELECT * FROM foo")->fetchAll(PDO::FETCH_ASSOC));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/V6Lqt
function name:  (null)
number of ops:  34
compiled vars:  !0 = $db, !1 = $text
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   13     0  E >   NEW                                                  $2      'PDO'
          1        SEND_VAL_EX                                                  'sqlite%3A%3Amemory%3A'
          2        SEND_VAL_EX                                                  ''
          3        SEND_VAL_EX                                                  ''
   14     4        SEND_VAL_EX                                                  <array>
   13     5        DO_FCALL                                          0          
          6        ASSIGN                                                       !0, $2
   17     7        INIT_METHOD_CALL                                             !0, 'exec'
          8        SEND_VAL_EX                                                  '%0ACREATE+TABLE+foo%28input+TEXT%29%3B'
          9        DO_FCALL                                          0          
   20    10        ASSIGN                                                       !1, 'tro%00lolo'
   22    11        INIT_METHOD_CALL                                             !0, 'query'
         12        INIT_STATIC_METHOD_CALL                                      'SQLite3', 'escapeString'
         13        SEND_VAR                                                     !1
         14        DO_FCALL                                          0  $7      
         15        CONCAT                                               ~8      'INSERT+INTO+foo%28%60input%60%29+VALUES+%28%27', $7
         16        CONCAT                                               ~9      ~8, '%27%29%2C%28%27'
         17        INIT_FCALL                                                   'my_retarded_escape'
         18        SEND_VAR                                                     !1
         19        DO_FCALL                                          0  $10     
         20        CONCAT                                               ~11     ~9, $10
         21        CONCAT                                               ~12     ~11, '%27%29%3B'
         22        SEND_VAL_EX                                                  ~12
         23        DO_FCALL                                          0          
   24    24        INIT_FCALL                                                   'var_dump'
         25        INIT_METHOD_CALL                                             !0, 'query'
         26        SEND_VAL_EX                                                  'SELECT+%2A+FROM+foo'
         27        DO_FCALL                                          0  $14     
         28        INIT_METHOD_CALL                                             $14, 'fetchAll'
         29        SEND_VAL_EX                                                  2
         30        DO_FCALL                                          0  $15     
         31        SEND_VAR                                                     $15
         32        DO_ICALL                                                     
         33      > RETURN                                                       1

Function my_retarded_escape:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/V6Lqt
function name:  my_retarded_escape
number of ops:  17
compiled vars:  !0 = $str, !1 = $parts
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
    5     1        INIT_FCALL                                                   'explode'
          2        SEND_VAL                                                     '%00'
          3        SEND_VAR                                                     !0
          4        DO_ICALL                                             $2      
          5        ASSIGN                                                       !1, $2
    6     6        INIT_FCALL                                                   'array_map'
    7     7        SEND_VAL                                                     <array>
    9     8        SEND_VAR                                                     !1
    6     9        DO_ICALL                                             $4      
         10        ASSIGN                                                       !1, $4
   10    11        FRAMELESS_ICALL_2                implode             ~6      '%27+%7C%7C+x%2700%27+%7C%7C+%27', !1
         12        ASSIGN                                                       !0, ~6
   11    13        VERIFY_RETURN_TYPE                                           !0
         14      > RETURN                                                       !0
   12    15*       VERIFY_RETURN_TYPE                                           
         16*     > RETURN                                                       null

End of function my_retarded_escape

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
167.44 ms | 2205 KiB | 17 Q