PHP Network Functions
PHP Network Introduction
The Network functions contains various network function and let you manipulate information sent to the browser by the Web server, before any other output has been sent.
安装
The Network functions are part of the PHP core. There is no installation needed to use these functions.
PHP Network Functions
| 功能 | 描述 |
|---|---|
| 检查 DNSRR() | Checks DNS records for type corresponding to host |
| 关闭日志（） | Closes the connection of system logger |
| define_syslog_variables() | Deprecated and removed in PHP 5.4. Initializes the variables used in syslog functions |
| dns_check_record() | Alias of 检查 DNSRR() |
| dns_get_mx() | Alias of 获取mxrr() |
| dns_get_record() | Gets the DNS resource records associated with the specified hostname |
| fsocketopen() 函数 | Opens an Internet or Unix domain socket connection |
| 获取主机地址() | Returns the domain name for a given IP address |
| 获取主机名（） | Returns the IPv4 address for a given domain/host name |
| 获取主机名（） | Returns a list of IPv4 address for a given domain/host name |
| 获取主机名() | Returns the host name |
| 获取mxrr() | Returns the MX records for the specified internet host name |
| 获取prototype名称（） | Returns the protocol number for a given protocol name |
| 获取protobynumber() | Returns the protocol name for a given protocol number |
| 获取服务名称（） | Returns the port number for a given Internet service and protocol |
| 获取服务端口（） | Returns the Internet service for a given port and protocol |
| header_register_callback（） | Calls a header function |
| header_remove() | Removes an HTTP header previously set with the 标头() function |
| 标头() | Sends a raw HTTP header to a client |
| headers_list() | Returns a list of response headers to be sent to the browser |
| headers_sent() | Checks if/where headers have been sent |
| http_response_code() | Sets or returns the HTTP response status code |
| inet_ntop（） | Converts a 32bit IPv4 or 128bit IPv6 address into a readable format |
| inet_pton（） | Converts a readable IP address into a packed 32bit IPv4 or 128bit IPv6 format |
| ip2long() | Converts an IPv4 address into a long integer |
| long2ip() | Converts a long integer address into a string in IPv4 format |
| 打开日志（） | Opens the connection of system logger |
| pfsockopen() | Opens a persistent Internet or Unix domain socket connection |
| 设置cookie() | Defines a cookie to be sent along with the rest of the HTTP headers |
| 设置cookie() | Defines a cookie (without URL encoding) to be sent along with the rest of the HTTP headers |
| 套接字获取状态() | Alias of stream_get_meta_data() |
| socket_set_blocking（） | Alias of stream_set_blocking() |
| socket_set_timeout() | Alias of stream_set_timeout() |
| 系统日志() | Generates a system log message |
