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我用下面这个方式定义一个字符串"<kph>",为什么会报错？

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2016-06-23 13:02:45923browse

我用下面这个方式定义一个字符串"",为什么会报错？如果改为"123",就没事了，怎么回事？
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nbsp;html> 
 

$aay = array("", '12');
echo $aay[0];
?>
 


回复讨论(解决方案)

谁报错？报什么错

出现这个错误提示：

HTML1521: 不符合要求的 "

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