php 获取文件后缀最简单的方法
1 <?php
2 $recordingname = '通话录音@18502290616(18502290616)_20171103142448.mp3';
3 $suffix = end(explode('.', $recordingname));//echo 'mp3'
1 <?php
2 $recordingname = '通话录音@18502290616(18502290616)_20171103142448.mp3';
3 $suffix = end(explode('.', $recordingname));//echo 'mp3'
