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

(PECL yaml >= 0.5.0) Send the YAML representation of a value to a file

(PECL yaml >= 0.5.0) Returns the YAML representation of a value

(PECL yaml >= 0.4.0) Parse a YAML stream mixed

(PECL yaml >= 0.4.0) Parse a Yaml stream from a URL