$str = "aaa
bbb
ccc
ddd
"; 去除 分享到:
------解决方案--------------------
$str = "aaa
bbb
ccc
ddd
___";
echo strrev(join('', explode('>/rb<', strrev($str), 2)));
aaa
bbb
ccc
ddd___
------解决方案--------------------$str = "aaabbbcccddd___"; echo strrev(join('', explode('">