LXIV. Network Functions

Table of Contents
checkdnsrr -- Check DNS records corresponding to a given Internet host name or IP address
closelog -- Close connection to system logger
debugger_off -- Disable internal PHP debugger
debugger_on -- Enable internal PHP debugger
define_syslog_variables -- Initializes all syslog related constants
fsockopen -- Open Internet or Unix domain socket connection
gethostbyaddr -- Get the Internet host name corresponding to a given IP address
gethostbyname -- Get the IP address corresponding to a given Internet host name
gethostbynamel -- Get a list of IP addresses corresponding to a given Internet host name
getmxrr -- Get MX records corresponding to a given Internet host name
getprotobyname -- Get protocol number associated with protocol name
getprotobynumber -- Get protocol name associated with protocol number
getservbyname -- Get port number associated with an Internet service and protocol
getservbyport -- Get Internet service which corresponds to port and protocol
ip2long -- Converts a string containing an (IPv4) Internet Protocol dotted address into a proper address.
long2ip -- Converts an (IPv4) Internet network address into a string in Internet standard dotted format
openlog -- Open connection to system logger
pfsockopen -- Open persistent Internet or Unix domain socket connection
socket_get_status -- Returns information about existing socket resource
socket_set_blocking -- Set blocking/non-blocking mode on a socket
socket_set_timeout -- Set timeout period on a socket
syslog -- Generate a system log message