<?php
/*
*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 //file.php内容： aaaa bbbb cccc dddd eeee ffff gggg hhhh iiii jjjj kk kk ll ll //file.php替换空格(x)、Tab(T)效果 aaaa bbbb TTTT cccc ddddT xxxxxxxxxxxT eeeexxxxxxxxxx ffff gggg hhhhxxxxxxxx xxxxxxxxiiii xxxxxxxxjjjjxxxxxxx kkxxxkkTT xxxxllxxllTT Txxxxxxxxxx TTTxx