PHP4用户手册:运算符-字符串运算符
- WBOYOriginal
- 2016-06-13 10:22:251434browse
字符串运算符
有两个字符串运算符。第一个是连接运算符 (.)，它返回连接右边和左边后生成的新字符串。第二个是自连接运算符(.=)，它是在自己的右边加上一个字符串而成的新字符串。更多信息参见 网站建设服务器脚本类\PHPPHP用户手册fancylanguage.operators.assignment.html>Assignment Operators 。
$a = "Hello ";$b = $a . "World!"; // 现在，$b 成了 "Hello World!"$a = "Hello ";$a .= "World!"; // 现在，$a 成了 "Hello World!"
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