LXV. 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 an existing socket stream
    
- 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