| Warning |
This function is currently not documented; only the argument list is available. |
Tip: You can use a URL as a filename with this function if the fopen wrappers have been enabled. See fopen() for more details on how to specify the filename and Appendix O for a list of supported URL protocols.
Note: This function requires GD 2.0.1 or later (2.0.28 or later is recommended).
| Warning |
Windows versions of PHP prior to PHP 4.3.0 do not support accessing remote files via this function, even if allow_url_fopen is enabled. |