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(PHP 5 >= 5.3.0, PECL intl >= 1.0.0)
Locale::getDisplayLanguage -- locale_get_display_language — Returns an appropriately localized display name for language of the inputlocale
面向对象风格
$locale 
   [,  string $in_locale 
  ] )过程化风格
$locale 
   [,  string $in_locale 
  ] )
   Returns an appropriately localized display name for language of the input
   locale. If is  NULL  then the default locale is used.
  
locale The locale to return a display language for
in_locale Optional format locale to use to display the language name
display name of the language for the $locale in the format appropriate for $in_locale.
Example #1 locale_get_display_language() example
  <?php
 echo  locale_get_display_language ( 'sl-Latn-IT-nedis' ,  'en' );
echo  ";\n" ;
echo  locale_get_display_language ( 'sl-Latn-IT-nedis' ,  'fr' );
echo  ";\n" ;
echo  locale_get_display_language ( 'sl-Latn-IT-nedis' ,  'de' );
 ?>   Example #2 OO example
  <?php
 echo  Locale :: getDisplayLanguage ( 'sl-Latn-IT-nedis' ,  'en' );
echo  ";\n" ;
echo  Locale :: getDisplayLanguage ( 'sl-Latn-IT-nedis' ,  'fr' );
echo  ";\n" ;
echo  Locale :: getDisplayLanguage ( 'sl-Latn-IT-nedis' ,  'de' );
 ?>   以上例程会输出:
Slovenian; slov\xc3\xa8ne; Slowenisch
[#1] heitor dot siller at gmail dot com [2011-07-24 02:43:13]
To display special characters correctly in a web browser, it's a good idea to decode the result data with utf8_decode:
<?php
echo utf8_decode(Locale::getDisplayLanguage('sl-Latn-IT-nedis', 'fr'));
echo utf8_decode(Locale::getDisplayLanguage('sl-Latn-IT-nedis', 'pt-BR'));
?>