php 如单引号 双引号区别详解
- WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOriginal
- 2016-05-25 16:46:121043browse
$hello = "这是helloworld";
$test = "{$hello}";
$test = '{$hello}';
ps:很明显双引号中的会被迭代出来,单引号就原封不动的输出来.其实在写sql的时候,我看到过比较麻烦的一种 " '. $name.' " ,完全可以,用"'{$name}'",如果比较多的话, 不需要用很多的 . 号来连接,而且也比较清晰.
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