This extension may be installed using the bundled version as of PHP 5.3.0, or as a PECL extension as of PHP 5.2.0. In other words, there are two methods to install the intl extension.
安裝此 PECL 擴展相關(guān)的信息可在手冊中標題為 PECL 擴展的安裝章節(jié)中找到。更多信息如新的發(fā)行版本、下載、源文件、 維護人員信息及變更日志等,都在此處: ? https://pecl.php.net/package/intl.
  Alternatively, --enable-intl will enable the bundled
  version while compiling PHP.
 
  If your ICU is installed to a non-standard directory then you might want to
  specify its location in
  LD_LIBRARY_PATH
  environment variable so that dynamic linker can find it:
 
Otherwise, if PHP and ICU are installed to their default locations, then the additional options to `configure' are not needed.