Funzioni di rete PHP
Introduzione alla rete PHP
Le funzioni di rete contengono varie funzioni di rete e consentono di manipolare le informazioni inviate al browser dal server Web, prima che venga inviato qualsiasi altro output.
Installazione
Le funzioni di rete fanno parte del core PHP. Non è necessaria alcuna installazione per utilizzare queste funzioni.
Funzioni di rete PHP
| Function | Description |
|---|---|
| checkdnsrr() | Checks DNS records for type corresponding to host |
| closelog() | 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 checkdnsrr() |
| dns_get_mx() | Alias of getmxrr() |
| dns_get_record() | Gets the DNS resource records associated with the specified hostname |
| fsockopen() | Opens an Internet or Unix domain socket connection |
| gethostbyaddr() | Returns the domain name for a given IP address |
| gethostbyname() | Returns the IPv4 address for a given domain/host name |
| gethostbynamel() | Returns a list of IPv4 address for a given domain/host name |
| gethostname() | Returns the host name |
| getmxrr() | Returns the MX records for the specified internet host name |
| getprotobyname() | Returns the protocol number for a given protocol name |
| getprotobynumber() | Returns the protocol name for a given protocol number |
| getservbyname() | Returns the port number for a given Internet service and protocol |
| getservbyport() | 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 header() function |
| header() | 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 |
| openlog() | Opens the connection of system logger |
| pfsockopen() | Opens a persistent Internet or Unix domain socket connection |
| setcookie() | Defines a cookie to be sent along with the rest of the HTTP headers |
| setrawcookie() | Defines a cookie (without URL encoding) to be sent along with the rest of the HTTP headers |
| socket_get_status() | Alias of stream_get_meta_data() |
| socket_set_blocking() | Alias of stream_set_blocking() |
| socket_set_timeout() | Alias of stream_set_timeout() |
| syslog() | Generates a system log message |