/**读取文件内容至字符串中,同时去除换行、行首行尾空格。 */ header("Content-type: text/html; charset=utf-8");echo preg_replace('/((s)*(n) (s)*)/i',',',file_get_contents('./file.php'));//End_php //输出: //aaaa,bbbb,cccc,dddd,eeee,ffff,gggg,hhhh,iiii,jjjj,kk kk,ll ll ?> 复制代码 file.php内容: aaaa cccc dddd eeee ffff gggg hhhh iiii jjjj kk kk ll ll //file.php替换空格(x)、Tab(T)效果 aaaa TTTT cccc ddddT xxxxxxxxxxxT eeeexxxxxxxxxx ffff gggg hhhhxxxxxxxx xxxxxxxxiiii xxxxxxxxjjjjxxxxxxx kkxxxkkTT xxxxllxxllTT Txxxxxxxxxx TTTxx