Become Zend Certified

Prepare for the ZCE exam using our quizzes (web or iPad/iPhone). More info...

When you're ready get 7.5% off your exam voucher using voucher CJQNOV23 at the Zend Store

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
  • define_syslog_variables - Initializes all syslog related variables
  • 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 IPv4 address corresponding to a given Internet host name
  • gethostbynamel - Get a list of IPv4 addresses corresponding to a given Internet host name
  • gethostname - Gets the 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_register_callback - Call a header function
  • header_remove - Remove previously set headers
  • 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
  • http_response_code - Get or Set the HTTP response code
  • 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

PHP Manual