What is the symbol used to connect two strings in php?

The symbol for connecting strings in PHP is dot (.). The method is as follows: place the string on both sides of the dot symbol. Dot notation can only concatenate values ​​of type string. Variables need to be initialized. Multiple strings can be concatenated.

The symbol for connecting strings in PHP

The symbol for connecting two strings in PHP is point(.).

How to use:

Simply place two strings on either side of the dot symbol to concatenate them. For example:

<?php
$str1 = "Hello";
$str2 = "World";

$str3 = $str1 . $str2; // 连接字符串

echo $str3; // 输出 "HelloWorld"
?>

Note:

• The dot notation can only connect string type values.
• Make sure that the connected string variables are initialized, otherwise an error will occur.
• Multiple strings can be concatenated by placing a dot symbol between each string.

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