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PHP中单引号与双引号实例用法

Jun 13, 2016 am 11:36 AM
html php and code pair Field Example quotation marks usage translater explain

""双引号里面的字段会经过编译器解释,然后再当作HTML代码输出。

'' 单引号里面的不进行解释,直接输出。

单引号和双引号都有自己的用途。

单引号的内容不会被解析,效率更高。

如下面代码:


$url='http://www.bkjia.com';

//单引号输出

$output= '$url';

echo '单引号输出:'.$output.'
';

//双引号输出

$output="$url";

echo "双引号输出:".$output;

?>

输出如下:

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