https://bk1314.com/tag/%E5%90%8E%E7%BC%80/ zh-CN Fri, 25 Feb 2022 18:49:56 +0800 Fri, 25 Feb 2022 18:49:56 +0800 https://bk1314.com/37.html https://bk1314.com/37.html Fri, 25 Feb 2022 18:49:56 +0800 飞鱼 function getExtension($filename){ $myext = substr($filename, strrpos($filename, '.')); return str_replace('.','',$myext); } $filename = '我的文档.doc'; echo getExtension($filename); ]]> 0 https://bk1314.com/37.html#comments https://bk1314.com/feed/tag/%E5%90%8E%E7%BC%80/