在php 编程中双引号"与单引号'是字符串与字符表现形式,那么我们要输出它怎么做呢,下面我们就来看个简单的输出单双引号的实例吧。
首页我们来看输出双引号的几种方法
方法一.
复制代码 代码如下:
$str ='我要输出双引号"';
echo $str;
结果为:我要输出双引号"
方法二
复制代码 代码如下:
$str ="输出双引号\"";
echo $str;
//结果输出双引号"
输出单引号与双引号
复制代码 代码如下:
$str ="输出单引号'";
$str1='输出单引号\'';
echo $str;
?>
单引号中间的字面里面的变量不会执行,双引号中间的变量可以执行,所以在没有变量的情况下,用单引号输出字符效率要比用双引号高很多。
对于特殊字符,大家可以用转移字符"\"即可.

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