getservbyport
(PHP 4, PHP 5, PHP 7, PHP 8)
getservbyport — Get Internet service which corresponds to port and protocol
说明
getservbyport(int
$port
, string $protocol
): string|false
getservbyport() returns the Internet service
associated with port
for the specified
protocol
as per /etc/services.
参数
-
port
-
The port number.
-
protocol
-
protocol
is either"tcp"
or"udp"
(in lowercase).
返回值
Returns the Internet service name as a string, 或者在失败时返回 false
.
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User Contributed Notes 1 note
paland at stetson dot edu ¶
21 years ago
Example:
<?php $value = getservbyport(137, "udp"); ?>
The same goes for getservbyname()
备份地址:http://www.lvesu.com/blog/php/function.getservbyport.php