Blame view

pma/libraries/charset_conversion.lib.php 2.67 KB
a1684257   Administrator   first commit
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
  <?php
  /* vim: set expandtab sw=4 ts=4 sts=4: */
  /**
   * Charset conversion functions.
   *
   * @package PhpMyAdmin
   */
  if (! defined('PHPMYADMIN')) {
      exit;
  }
  
  define('PMA_CHARSET_NONE', 0);
  define('PMA_CHARSET_ICONV', 1);
  define('PMA_CHARSET_RECODE', 2);
  define('PMA_CHARSET_ICONV_AIX', 3);
  
  // Finally detect which function we will use:
  if ($cfg['RecodingEngine'] == 'iconv') {
      if (@function_exists('iconv')) {
          if ((@stristr(PHP_OS, 'AIX')) && (@strcasecmp(ICONV_IMPL, 'unknown') == 0) && (@strcasecmp(ICONV_VERSION, 'unknown') == 0)) {
              $PMA_recoding_engine = PMA_CHARSET_ICONV_AIX;
          } else {
              $PMA_recoding_engine = PMA_CHARSET_ICONV;
          }
      } else {
          $PMA_recoding_engine = PMA_CHARSET_NONE;
          PMA_warnMissingExtension('iconv');
      }
  } elseif ($cfg['RecodingEngine'] == 'recode') {
      if (@function_exists('recode_string')) {
          $PMA_recoding_engine = PMA_CHARSET_RECODE;
      } else {
          $PMA_recoding_engine = PMA_CHARSET_NONE;
          PMA_warnMissingExtension('recode');
      }
  } elseif ($cfg['RecodingEngine'] == 'auto') {
      if (@function_exists('iconv')) {
          if ((@stristr(PHP_OS, 'AIX')) && (@strcasecmp(ICONV_IMPL, 'unknown') == 0) && (@strcasecmp(ICONV_VERSION, 'unknown') == 0)) {
              $PMA_recoding_engine = PMA_CHARSET_ICONV_AIX;
          } else {
              $PMA_recoding_engine = PMA_CHARSET_ICONV;
          }
      } elseif (@function_exists('recode_string')) {
          $PMA_recoding_engine = PMA_CHARSET_RECODE;
      } else {
          $PMA_recoding_engine = PMA_CHARSET_NONE;
      }
  } else {
      $PMA_recoding_engine = PMA_CHARSET_NONE;
  }
  
  /* Load AIX iconv wrapper if needed */
  if ($PMA_recoding_engine == PMA_CHARSET_ICONV_AIX) {
      include_once './libraries/iconv_wrapper.lib.php';
  }
  
  /**
   * Converts encoding of text according to parameters with detected
   * conversion function.
   *
   * @param string   source charset
   * @param string   target charset
   * @param string   what to convert
   *
   * @return  string   converted text
   *
   * @access  public
   *
   */
  function PMA_convert_string($src_charset, $dest_charset, $what)
  {
      if ($src_charset == $dest_charset) {
          return $what;
      }
      switch ($GLOBALS['PMA_recoding_engine']) {
          case PMA_CHARSET_RECODE:
              return recode_string($src_charset . '..'  . $dest_charset, $what);
          case PMA_CHARSET_ICONV:
              return iconv($src_charset, $dest_charset . $GLOBALS['cfg']['IconvExtraParams'], $what);
          case PMA_CHARSET_ICONV_AIX:
              return PMA_aix_iconv_wrapper($src_charset, $dest_charset . $GLOBALS['cfg']['IconvExtraParams'], $what);
          default:
              return $what;
      }
  } //  end of the "PMA_convert_string()" function
  
  ?>