(PHP 4 >= 4.1.0, PHP 5, PHP 7) Creates a pair of indistinguishable sockets and stores them in an array

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Create a number formatter

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Receives data from a connected socket

(PHP 5, PHP 7) Decodes multiple MIME header fields at once

(PHP 5 < 5.4.0, PECL sqlite >= 1.0.0) Returns the number of rows in a buffered result set

(PHP 5 >= 5.0.1, PHP 7) Handles a SOAP request

(PECL mongo >= 1.3.0) Sets a callback function to be invoked for events

(PECL mongo >=1.3.0) Gets an array of names for all collections in this database

(PHP 5, PHP 7) Sends an arbitrary command to an FTP server

(PHP 5, PHP 7) Creates a new