Note for Cygwin users: you may need to install the "php-iconv" package.
默认已激活此扩展,但是它能够在编译时通过 --without-iconv 选项被禁用。
选项指令 --with-iconv[=DIR] 用于 PHP 编译时指定 iconv 在系统里的路径,否则会扫描默认路径。
Note for Cygwin users: you may need to install the "php-iconv" package.
Note for FreeBSD users: you may need to install the php56-iconv pkg.