(PHP 4 >= 4.1.0, PHP 5, PHP 7) Reads a maximum of length bytes from a socket

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Binds a name to a socket

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Closes a socket resource

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Queries the remote side of the given socket which may either result in host/port

(PHP 5 >= 5.5.0, PHP 7) Send a message int

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Queries the local side of the given socket which may either result in host/port

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Sets socket options for the socket

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Accepts a connection on a socket

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Sets blocking mode on a socket resource

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Listens for a connection on a socket