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 (PHP 3)

debugger_on — Enable internal PHP debugger (PHP 3)

define_syslog_variables — Initializes all syslog related constants

dns_check_record — Alias of checkdnsrr()

dns_get_mx — Alias of getmxrr()

dns_get_record — Fetch DNS Resource Records associated with a hostname

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

header — Send a raw HTTP header

headers_list — Returns a list of response headers sent (or ready to send)

headers_sent — Checks if or where headers have been sent

inet_ntop — Converts a packed internet address to a human readable representation

inet_pton — Converts a human readable IP address to its packed in_addr representation

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

setcookie — Send a cookie

setrawcookie — Send a cookie without urlencoding the cookie value

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 — Generate a system log message