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getprotobyname

getprotobyname

(PHP 4, PHP 5)

getprotobynameGet protocol number associated with protocol name

说明

int getprotobyname ( string $name )

getprotobyname() returns the protocol number associated with the protocol name as per /etc/protocols.

参数

name

The protocol name.

返回值

Returns the protocol number or -1 if the protocol is not found.

范例

Example #1 getprotobyname() example

<?php
$protocol 
'tcp';
$get_prot getprotobyname($protocol);
if (
$get_prot == -1) {
    echo 
'Invalid Protocol';
} else {
    echo 
'Protocol #' $get_prot;
}
?>

参见


  • checkdnsrr
  • closelog
  • define_syslog_variables
  • dns_check_record
  • dns_get_mx
  • dns_get_record
  • fsockopen
  • gethostbyaddr
  • gethostbyname
  • gethostbynamel
  • gethostname
  • getmxrr
  • getprotobyname
  • getprotobynumber
  • getservbyname
  • getservbyport
  • header
  • headers_list
  • headers_sent
  • header_register_callback
  • header_remove
  • http_response_code
  • inet_ntop
  • inet_pton
  • ip2long
  • long2ip
  • openlog
  • pfsockopen
  • setcookie
  • setrawcookie
  • socket_get_status
  • socket_set_blocking
  • socket_set_timeout
  • syslog
  • PHP MySQL HTML CSS JavaScript MSSQL AJAX .NET JSP Linux Mac ASP 服务器 SQL jQuery C# C++ java Android IOS oracle MongoDB SQLite wamp 交通频道

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