php man page for yaml_parse_file

YAML_PARSE_FILE(3)							 1							YAML_PARSE_FILE(3)

yaml_parse_file - Parse a YAML stream from a file

SYNOPSIS
       mixed yaml_parse_file (string  $filename, [int  $pos], [int  &$ndocs], [array  $callbacks])

DESCRIPTION
	Convert all or part of a YAML document stream read from a file to a PHP variable.

PARAMETERS
	      o $filename
		- Path to the file.

	      o $pos
		- Document to extract from stream ( -1 for all documents, 0 for first document, ...).

	      o $ndocs
		- If $ndocs is provided, then it is filled with the number of documents found in stream.

	      o $callbacks
		- Content handlers for YAML nodes. Associative array of YAML tag => callable mappings. See parse callbacks for more details.

RETURN VALUES
	Returns  the  value  encoded in $input in appropriate PHP type or FALSE on failure. If $pos is -1 an array will be returned with one entry
       for each document found in the stream.

SEE ALSO
       yaml_parse(3), yaml_parse_url(3), yaml_emit(3).

PHP Documentation Group 													YAML_PARSE_FILE(3)