(PECL pdflib >= 2.0.0) Get error number int

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Attach a filter to a stream

(PECL yaml >= 0.4.0) Parse a YAML stream from a file

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Retrieve options for a stream/wrapper/context

(Yaf >=1.0.0) Get defined module names public

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Get the symbolic name of a given PHP token

(Yaf >=1.0.0) Cast to array abstract public

(PHP 4, PHP 5, PHP 7) Count all elements in an array, or something in an object

(PECL ssh2 >= 0.9.0) Open a tunnel through a remote server

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Get number of affected rows in previous FrontBase operation