PHP headers_list function tutorial shows how to retrieve HTTP headers in PHP. Learn headers_list with practical examples for header inspection and debugging.
PHP headers_sent function tutorial shows how to check if headers were sent in PHP. Learn headers_sent with practical examples for header management and debugging.
PHP getprotobynumber function tutorial shows how to look up protocol names by number in PHP. Learn getprotobynumber with practical examples for network programming.
PHP getservbyname function tutorial shows how to look up service ports in PHP. Learn getservbyname with practical examples for network programming and service discovery.
PHP getservbyport function tutorial shows how to look up network services by port number in PHP. Learn getservbyport with practical examples.
PHP gethostname function tutorial shows how to get the hostname in PHP. Learn gethostname with practical examples for server identification and network programming.
PHP getmxrr function tutorial shows how to check MX records in PHP. Learn getmxrr with practical examples for email server validation.
PHP getprotobyname function tutorial shows how to convert protocol names to numbers in PHP. Learn getprotobyname with practical examples for network programming.
PHP gethostbyaddr function tutorial shows how to perform reverse DNS lookups in PHP. Learn gethostbyaddr with practical examples for IP address resolution.
PHP gethostbyname function tutorial shows how to resolve hostnames to IP addresses in PHP. Learn gethostbyname with practical examples.