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php中html的显示问题

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2016-06-23 14:16:081064browse

html的显示问题


$url="home.php";

$name=2;

echo "$name";

echo "".$name."";

?>

最后2行输出是一样的

不同的地方在于 ".$url." 和 直接 $url

".$name."和 $name

区别在哪里？

回复讨论(解决方案)

 ".$url."  如果是做需要在输出的时候解释的话，为什么不加上转义字符？像下面这样。

   echo "".$name."";

echo "$name";
和
echo "".$name."";
没有区别，只是后者更隐晦

转义符\"".$url."\"

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