iconv_wrapper.lib.php 3.3 KB

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  1. <?php
  2. /* vim: set expandtab sw=4 ts=4 sts=4: */
  3. /**
  4. *
  5. * @package PhpMyAdmin
  6. */
  7. if (! defined('PHPMYADMIN')) {
  8. exit;
  9. }
  10. /**
  11. * GNU iconv code set to IBM AIX libiconv code set table
  12. * Keys of this table should be in lowercase,
  13. * and searches should be performed using lowercase!
  14. */
  15. $gnu_iconv_to_aix_iconv_codepage_map = array (
  16. // "iso-8859-[1-9]" --> "ISO8859-[1-9]" according to
  17. // http://publibn.boulder.ibm.com/doc_link/en_US/
  18. // a_doc_lib/libs/basetrf2/setlocale.htm
  19. 'iso-8859-1' => 'ISO8859-1',
  20. 'iso-8859-2' => 'ISO8859-2',
  21. 'iso-8859-3' => 'ISO8859-3',
  22. 'iso-8859-4' => 'ISO8859-4',
  23. 'iso-8859-5' => 'ISO8859-5',
  24. 'iso-8859-6' => 'ISO8859-6',
  25. 'iso-8859-7' => 'ISO8859-7',
  26. 'iso-8859-8' => 'ISO8859-8',
  27. 'iso-8859-9' => 'ISO8859-9',
  28. // "big5" --> "IBM-eucTW" according to
  29. // http://kadesh.cepba.upc.es/mancpp/classref/ref/ITranscoder_DSC.htm
  30. 'big5' => 'IBM-eucTW',
  31. // Other mappings corresponding to the phpMyAdmin dropdown box when using the
  32. // charset conversion feature
  33. 'euc-jp' => 'IBM-eucJP',
  34. 'koi8-r' => 'IBM-eucKR',
  35. 'ks_c_5601-1987' => 'KSC5601.1987-0',
  36. 'tis-620' => 'TIS-620',
  37. 'utf-8' => 'UTF-8'
  38. );
  39. /**
  40. * Wrapper around IBM AIX iconv(), whose character set naming differs
  41. * from the GNU version of iconv().
  42. *
  43. * @param string $in_charset input character set
  44. * @param string $out_charset output character set
  45. * @param string $str the string to convert
  46. *
  47. * @return mixed converted string or false on failure
  48. *
  49. * @access public
  50. *
  51. */
  52. function PMA_aix_iconv_wrapper($in_charset, $out_charset, $str)
  53. {
  54. global $gnu_iconv_to_aix_iconv_codepage_map;
  55. // Check for transliteration argument at the end of output character set name
  56. $translit_search = strpos(strtolower($out_charset), '//translit');
  57. $using_translit = (!($translit_search === false));
  58. // Extract "plain" output character set name
  59. // (without any transliteration argument)
  60. $out_charset_plain = ($using_translit
  61. ? substr($out_charset, 0, $translit_search)
  62. : $out_charset);
  63. // Transform name of input character set (if found)
  64. $in_charset_exisits = array_key_exists(
  65. strtolower($in_charset),
  66. $gnu_iconv_to_aix_iconv_codepage_map
  67. );
  68. if ($in_charset_exisits) {
  69. $in_charset = $gnu_iconv_to_aix_iconv_codepage_map[strtolower($in_charset)];
  70. }
  71. // Transform name of "plain" output character set (if found)
  72. $out_charset_plain_exists = array_key_exists(
  73. strtolower($out_charset_plain),
  74. $gnu_iconv_to_aix_iconv_codepage_map
  75. );
  76. if ($out_charset_plain_exists) {
  77. $out_charset_plain = $gnu_iconv_to_aix_iconv_codepage_map[
  78. strtolower($out_charset_plain)];
  79. }
  80. // Add transliteration argument again (exactly as specified by user) if used
  81. // Build the output character set name that we will use
  82. $out_charset = ($using_translit
  83. ? $out_charset_plain . substr($out_charset, $translit_search)
  84. : $out_charset_plain);
  85. // NOTE: Transliteration not supported; we will use the "plain"
  86. // output character set name
  87. $out_charset = $out_charset_plain;
  88. // Call iconv() with the possibly modified parameters
  89. $result = iconv($in_charset, $out_charset, $str);
  90. return $result;
  91. } // end of the "PMA_aix_iconv_wrapper()" function
  92. ?>