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字符串运算符

有两个字符串运算符。第一个是连接运算符（“.”），它返回其左右参数连接后的字符串。第二个是连接赋值运算符（“.=”），它将右边参数附加到左边的参数后。更多信息见赋值运算符。


$a = "Hello ";

$b = $a . "World!"; // now $b contains "Hello World!"



$a = "Hello ";

$a .= "World!";     // now $a contains "Hello World!"

请参阅手册中“字符串类型”和“字符串函数”的有关章节。

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Last updated: Thu Jul 7 19:13:47 2005 CST