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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <[email protected]>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  use Symfony\Polyfill\Iconv as p;
  13  
  14  if (!defined('ICONV_IMPL')) {
  15      define('ICONV_IMPL', 'Symfony');
  16  }
  17  if (!defined('ICONV_VERSION')) {
  18      define('ICONV_VERSION', '1.0');
  19  }
  20  if (!defined('ICONV_MIME_DECODE_STRICT')) {
  21      define('ICONV_MIME_DECODE_STRICT', 1);
  22  }
  23  if (!defined('ICONV_MIME_DECODE_CONTINUE_ON_ERROR')) {
  24      define('ICONV_MIME_DECODE_CONTINUE_ON_ERROR', 2);
  25  }
  26  
  27  if (!function_exists('iconv')) {
  28      function iconv(?string $from_encoding, ?string $to_encoding, ?string $string): string|false { return p\Iconv::iconv((string) $from_encoding, (string) $to_encoding, (string) $string); }
  29  }
  30  if (!function_exists('iconv_get_encoding')) {
  31      function iconv_get_encoding(?string $type = 'all'): array|string|false { return p\Iconv::iconv_get_encoding((string) $type); }
  32  }
  33  if (!function_exists('iconv_set_encoding')) {
  34      function iconv_set_encoding(?string $type, ?string $encoding): bool { return p\Iconv::iconv_set_encoding((string) $type, (string) $encoding); }
  35  }
  36  if (!function_exists('iconv_mime_encode')) {
  37      function iconv_mime_encode(?string $field_name, ?string $field_value, ?array $options = []): string|false { return p\Iconv::iconv_mime_encode((string) $field_name, (string) $field_value, (array) $options); }
  38  }
  39  if (!function_exists('iconv_mime_decode_headers')) {
  40      function iconv_mime_decode_headers(?string $headers, ?int $mode = 0, ?string $encoding = null): array|false { return p\Iconv::iconv_mime_decode_headers((string) $headers, (int) $mode, $encoding); }
  41  }
  42  
  43  if (extension_loaded('mbstring')) {
  44      if (!function_exists('iconv_strlen')) {
  45          function iconv_strlen(?string $string, ?string $encoding = null): int|false { null === $encoding && $encoding = p\Iconv::$internalEncoding; return mb_strlen((string) $string, $encoding); }
  46      }
  47      if (!function_exists('iconv_strpos')) {
  48          function iconv_strpos(?string $haystack, ?string $needle, ?int $offset = 0, ?string $encoding = null): int|false { null === $encoding && $encoding = p\Iconv::$internalEncoding; return mb_strpos((string) $haystack, (string) $needle, (int) $offset, $encoding); }
  49      }
  50      if (!function_exists('iconv_strrpos')) {
  51          function iconv_strrpos(?string $haystack, ?string $needle, ?string $encoding = null): int|false { null === $encoding && $encoding = p\Iconv::$internalEncoding; return mb_strrpos((string) $haystack, (string) $needle, 0, $encoding); }
  52      }
  53      if (!function_exists('iconv_substr')) {
  54          function iconv_substr(?string $string, ?int $offset, ?int $length = null, ?string $encoding = null): string|false { null === $encoding && $encoding = p\Iconv::$internalEncoding; return mb_substr((string) $string, (int) $offset, $length, $encoding); }
  55      }
  56      if (!function_exists('iconv_mime_decode')) {
  57          function iconv_mime_decode($string, $mode = 0, $encoding = null) { $currentMbEncoding = mb_internal_encoding(); null === $encoding && $encoding = p\Iconv::$internalEncoding; mb_internal_encoding($encoding); $decoded = mb_decode_mimeheader($string); mb_internal_encoding($currentMbEncoding); return $decoded; }
  58      }
  59  } else {
  60      if (!function_exists('iconv_strlen')) {
  61          if (extension_loaded('xml')) {
  62              function iconv_strlen(?string $string, ?string $encoding = null): int|false { return p\Iconv::strlen1((string) $string, $encoding); }
  63          } else {
  64              function iconv_strlen(?string $string, ?string $encoding = null): int|false { return p\Iconv::strlen2((string) $string, $encoding); }
  65          }
  66      }
  67  
  68      if (!function_exists('iconv_strpos')) {
  69          function iconv_strpos(?string $haystack, ?string $needle, ?int $offset = 0, ?string $encoding = null): int|false { return p\Iconv::iconv_strpos((string) $haystack, (string) $needle, (int) $offset, $encoding); }
  70      }
  71      if (!function_exists('iconv_strrpos')) {
  72          function iconv_strrpos(?string $haystack, ?string $needle, ?string $encoding = null): int|false { return p\Iconv::iconv_strrpos((string) $haystack, (string) $needle, $encoding); }
  73      }
  74      if (!function_exists('iconv_substr')) {
  75          function iconv_substr(?string $string, ?int $offset, ?int $length = null, ?string $encoding = null): string|false { return p\Iconv::iconv_substr((string) $string, (string) $offset, $length, $encoding); }
  76      }
  77      if (!function_exists('iconv_mime_decode')) {
  78          function iconv_mime_decode(?string $string, ?int $mode = 0, ?string $encoding = null): string|false { return p\Iconv::iconv_mime_decode((string) $string, (int) $mode, $encoding); }
  79      }
  80  }