[ PHP ] 확장자 구하기 pathinfo - eondcom/xe-addon-eond_saveimg GitHub Wiki
참조 : http://submit.tistory.com/5
$path_parts = pathinfo(/www/htdocs/index.html
);
echo $path_parts[dirname
]; // /www/htdocs
echo $path_parts[basename
]; // index.html
echo $path_parts[extension
]; // html
echo $path_parts[filename
]; // since PHP 5.2.0 [index]