Returns a string of up to length - 1 bytes read from the file pointed to by handle, with all HTML and PHP code striped.
If an error occurs, returns
|5.0.0||The length parameter is optional|
|3.0.13 and 4.0.0||The allowable_tags parameter was added,|
If you are having problems with PHP not recognizing the line endings when reading files either on or created by a Macintosh computer, you might want to enable the auto_detect_line_endings run-time configuration option.