PHP Network函数列表

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 - 别名 checkdnsrr
dns_get_mx - 别名 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 - 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
header_register_callback - Call a header function
header_remove - Remove previously set headers
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 - 别名 stream_get_meta_data
socket_set_blocking - 别名 stream_set_blocking
socket_set_timeout - 别名 stream_set_timeout
syslog - Generate a system log message

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