/*读取文件内容至字符串中,同时去除换行、行首行尾空格。*/
echo preg_replace('/((\s)*(\n)+(\s)*)/i',',',file_get_contents('./file.php'));
<?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