相干echo的返回值
有关echo的返回值。
echo的返回值给ajax用来验证。
发现当
- PHP code
<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->echo "a";
时,客户端alert一下,发现是个长度5的数组,前3个为空,第4个为a,最后一个为undefined。
- PHP code
<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->echo 1;
时,客户端alert一下,发现是个长度4的数组,前3个为空,第4个为1。
要去除空格后才能匹配。。。请问是什么情况?
------解决方案--------------------
php文件保存为UTF-8无BOM格式。

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